Home / 344,345.13-516,517.02-91,625.61

Finding the Fourth Proportional to 344,345.13, 516,517.02 and 91,625.61

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Solution

The fourth proportional to 344,345.13, 516,517.02 and 91,625.61 is: 137,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,345.13 : 516,517.02 = 91,625.61 : x
  2. Step 2: Convert to fraction form
    344,345.13/516,517.02 = 91,625.61/x
  3. Step 3: Cross multiply
    344,345.13x = 516,517.02 × 91,625.61
  4. Step 4: Simplify right side
    344,345.13x = 47,326,187,032.88
  5. Step 5: Solve for x
    x = 47,326,187,032.88/344,345.13
  6. Step 6: Final answer
    x = 137,438.24

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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.