Home / 457,310.90-685,966.35-141,799.70

Finding the Fourth Proportional to 457,310.90, 685,966.35 and 141,799.70

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Solution

The fourth proportional to 457,310.90, 685,966.35 and 141,799.70 is: 212,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,310.90 : 685,966.35 = 141,799.70 : x
  2. Step 2: Convert to fraction form
    457,310.90/685,966.35 = 141,799.70/x
  3. Step 3: Cross multiply
    457,310.90x = 685,966.35 × 141,799.70
  4. Step 4: Simplify right side
    457,310.90x = 97,269,822,640.10
  5. Step 5: Solve for x
    x = 97,269,822,640.10/457,310.90
  6. Step 6: Final answer
    x = 212,699.55

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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.