Home / 343,899.06-516,387.87-291,280.74

Finding the Fourth Proportional to 343,899.06, 516,387.87 and 291,280.74

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Solution

The fourth proportional to 343,899.06, 516,387.87 and 291,280.74 is: 437,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,899.06 : 516,387.87 = 291,280.74 : x
  2. Step 2: Convert to fraction form
    343,899.06/516,387.87 = 291,280.74/x
  3. Step 3: Cross multiply
    343,899.06x = 516,387.87 × 291,280.74
  4. Step 4: Simplify right side
    343,899.06x = 150,413,840,900.62
  5. Step 5: Solve for x
    x = 150,413,840,900.62/343,899.06
  6. Step 6: Final answer
    x = 437,377.88

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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.