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Finding the Fourth Proportional to 291,793.31, 437,690 and 225,330.38

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Solution

The fourth proportional to 291,793.31, 437,690 and 225,330.38 is: 337,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,793.31 : 437,690 = 225,330.38 : x
  2. Step 2: Convert to fraction form
    291,793.31/437,690 = 225,330.38/x
  3. Step 3: Cross multiply
    291,793.31x = 437,690 × 225,330.38
  4. Step 4: Simplify right side
    291,793.31x = 98,624,854,022.20
  5. Step 5: Solve for x
    x = 98,624,854,022.20/291,793.31
  6. Step 6: Final answer
    x = 337,995.60

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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.