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Finding the Fourth Proportional to 337,206.57, 505,798.09 and 84,489.20

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Solution

The fourth proportional to 337,206.57, 505,798.09 and 84,489.20 is: 126,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,206.57 : 505,798.09 = 84,489.20 : x
  2. Step 2: Convert to fraction form
    337,206.57/505,798.09 = 84,489.20/x
  3. Step 3: Cross multiply
    337,206.57x = 505,798.09 × 84,489.20
  4. Step 4: Simplify right side
    337,206.57x = 42,734,475,880.02
  5. Step 5: Solve for x
    x = 42,734,475,880.02/337,206.57
  6. Step 6: Final answer
    x = 126,730.85

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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.