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Finding the Fourth Proportional to 359,612, 539,505.52 and 119,725.28

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Solution

The fourth proportional to 359,612, 539,505.52 and 119,725.28 is: 179,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,612 : 539,505.52 = 119,725.28 : x
  2. Step 2: Convert to fraction form
    359,612/539,505.52 = 119,725.28/x
  3. Step 3: Cross multiply
    359,612x = 539,505.52 × 119,725.28
  4. Step 4: Simplify right side
    359,612x = 64,592,449,443.55
  5. Step 5: Solve for x
    x = 64,592,449,443.55/359,612
  6. Step 6: Final answer
    x = 179,617.06

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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.