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Finding the Fourth Proportional to 359,536.62, 539,287.42 and 134,879.55

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Solution

The fourth proportional to 359,536.62, 539,287.42 and 134,879.55 is: 202,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,536.62 : 539,287.42 = 134,879.55 : x
  2. Step 2: Convert to fraction form
    359,536.62/539,287.42 = 134,879.55/x
  3. Step 3: Cross multiply
    359,536.62x = 539,287.42 × 134,879.55
  4. Step 4: Simplify right side
    359,536.62x = 72,738,846,973.87
  5. Step 5: Solve for x
    x = 72,738,846,973.87/359,536.62
  6. Step 6: Final answer
    x = 202,312.76

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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.