Home / 342,229.33-513,304.78-89,534.21

Finding the Fourth Proportional to 342,229.33, 513,304.78 and 89,534.21

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Solution

The fourth proportional to 342,229.33, 513,304.78 and 89,534.21 is: 134,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,229.33 : 513,304.78 = 89,534.21 : x
  2. Step 2: Convert to fraction form
    342,229.33/513,304.78 = 89,534.21/x
  3. Step 3: Cross multiply
    342,229.33x = 513,304.78 × 89,534.21
  4. Step 4: Simplify right side
    342,229.33x = 45,958,335,176.16
  5. Step 5: Solve for x
    x = 45,958,335,176.16/342,229.33
  6. Step 6: Final answer
    x = 134,291.05

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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.