Home / 261,565.75-392,352.27-74,577.25

Finding the Fourth Proportional to 261,565.75, 392,352.27 and 74,577.25

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Solution

The fourth proportional to 261,565.75, 392,352.27 and 74,577.25 is: 111,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,565.75 : 392,352.27 = 74,577.25 : x
  2. Step 2: Convert to fraction form
    261,565.75/392,352.27 = 74,577.25/x
  3. Step 3: Cross multiply
    261,565.75x = 392,352.27 × 74,577.25
  4. Step 4: Simplify right side
    261,565.75x = 29,260,553,327.86
  5. Step 5: Solve for x
    x = 29,260,553,327.86/261,565.75
  6. Step 6: Final answer
    x = 111,866.91

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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.