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Finding the Fourth Proportional to 337,438.83, 465,363.92 and 279,987.15

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Solution

The fourth proportional to 337,438.83, 465,363.92 and 279,987.15 is: 386,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,438.83 : 465,363.92 = 279,987.15 : x
  2. Step 2: Convert to fraction form
    337,438.83/465,363.92 = 279,987.15/x
  3. Step 3: Cross multiply
    337,438.83x = 465,363.92 × 279,987.15
  4. Step 4: Simplify right side
    337,438.83x = 130,295,916,273.69
  5. Step 5: Solve for x
    x = 130,295,916,273.69/337,438.83
  6. Step 6: Final answer
    x = 386,131.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.