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Finding the Fourth Proportional to 662,980.40, 994,470.60 and 164,344.40

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Solution

The fourth proportional to 662,980.40, 994,470.60 and 164,344.40 is: 246,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,980.40 : 994,470.60 = 164,344.40 : x
  2. Step 2: Convert to fraction form
    662,980.40/994,470.60 = 164,344.40/x
  3. Step 3: Cross multiply
    662,980.40x = 994,470.60 × 164,344.40
  4. Step 4: Simplify right side
    662,980.40x = 163,435,674,074.64
  5. Step 5: Solve for x
    x = 163,435,674,074.64/662,980.40
  6. Step 6: Final answer
    x = 246,516.60

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Similar ratio
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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.