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Finding the Fourth Proportional to 382,249.46, 573,016.07 and 129,352.90

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Solution

The fourth proportional to 382,249.46, 573,016.07 and 129,352.90 is: 193,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,249.46 : 573,016.07 = 129,352.90 : x
  2. Step 2: Convert to fraction form
    382,249.46/573,016.07 = 129,352.90/x
  3. Step 3: Cross multiply
    382,249.46x = 573,016.07 × 129,352.90
  4. Step 4: Simplify right side
    382,249.46x = 74,121,290,366.35
  5. Step 5: Solve for x
    x = 74,121,290,366.35/382,249.46
  6. Step 6: Final answer
    x = 193,908.16

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1.5x scale

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.