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Finding the Fourth Proportional to 291,591.80, 437,387.52 and 225,128.96

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Solution

The fourth proportional to 291,591.80, 437,387.52 and 225,128.96 is: 337,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,591.80 : 437,387.52 = 225,128.96 : x
  2. Step 2: Convert to fraction form
    291,591.80/437,387.52 = 225,128.96/x
  3. Step 3: Cross multiply
    291,591.80x = 437,387.52 × 225,128.96
  4. Step 4: Simplify right side
    291,591.80x = 98,468,597,494.58
  5. Step 5: Solve for x
    x = 98,468,597,494.58/291,591.80
  6. Step 6: Final answer
    x = 337,693.30

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1.5x scale

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.