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Finding the Fourth Proportional to 662,686.26, 994,029.40 and 164,050.26

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Solution

The fourth proportional to 662,686.26, 994,029.40 and 164,050.26 is: 246,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,686.26 : 994,029.40 = 164,050.26 : x
  2. Step 2: Convert to fraction form
    662,686.26/994,029.40 = 164,050.26/x
  3. Step 3: Cross multiply
    662,686.26x = 994,029.40 × 164,050.26
  4. Step 4: Simplify right side
    662,686.26x = 163,070,781,517.64
  5. Step 5: Solve for x
    x = 163,070,781,517.64/662,686.26
  6. Step 6: Final answer
    x = 246,075.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.