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Finding the Fourth Proportional to 291,337.97, 437,004.52 and 80,975.30

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Solution

The fourth proportional to 291,337.97, 437,004.52 and 80,975.30 is: 121,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,337.97 : 437,004.52 = 80,975.30 : x
  2. Step 2: Convert to fraction form
    291,337.97/437,004.52 = 80,975.30/x
  3. Step 3: Cross multiply
    291,337.97x = 437,004.52 × 80,975.30
  4. Step 4: Simplify right side
    291,337.97x = 35,386,569,720.90
  5. Step 5: Solve for x
    x = 35,386,569,720.90/291,337.97
  6. Step 6: Final answer
    x = 121,462.27

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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.