Home / 437,523.26-656,287.85-121,982.90

Finding the Fourth Proportional to 437,523.26, 656,287.85 and 121,982.90

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Solution

The fourth proportional to 437,523.26, 656,287.85 and 121,982.90 is: 182,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,523.26 : 656,287.85 = 121,982.90 : x
  2. Step 2: Convert to fraction form
    437,523.26/656,287.85 = 121,982.90/x
  3. Step 3: Cross multiply
    437,523.26x = 656,287.85 × 121,982.90
  4. Step 4: Simplify right side
    437,523.26x = 80,055,892,201.28
  5. Step 5: Solve for x
    x = 80,055,892,201.28/437,523.26
  6. Step 6: Final answer
    x = 182,975.17

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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.