Home / 437,513.25-656,272.61-121,972.89

Finding the Fourth Proportional to 437,513.25, 656,272.61 and 121,972.89

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Solution

The fourth proportional to 437,513.25, 656,272.61 and 121,972.89 is: 182,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513.25 : 656,272.61 = 121,972.89 : x
  2. Step 2: Convert to fraction form
    437,513.25/656,272.61 = 121,972.89/x
  3. Step 3: Cross multiply
    437,513.25x = 656,272.61 × 121,972.89
  4. Step 4: Simplify right side
    437,513.25x = 80,047,466,259.68
  5. Step 5: Solve for x
    x = 80,047,466,259.68/437,513.25
  6. Step 6: Final answer
    x = 182,960.10

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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.