Home / 261,531.66-359,781.12-229,120.32

Finding the Fourth Proportional to 261,531.66, 359,781.12 and 229,120.32

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Solution

The fourth proportional to 261,531.66, 359,781.12 and 229,120.32 is: 315,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,531.66 : 359,781.12 = 229,120.32 : x
  2. Step 2: Convert to fraction form
    261,531.66/359,781.12 = 229,120.32/x
  3. Step 3: Cross multiply
    261,531.66x = 359,781.12 × 229,120.32
  4. Step 4: Simplify right side
    261,531.66x = 82,433,165,344.36
  5. Step 5: Solve for x
    x = 82,433,165,344.36/261,531.66
  6. Step 6: Final answer
    x = 315,193.83

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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.