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Finding the Fourth Proportional to 359,558.26, 539,197.18 and 134,796.18

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Solution

The fourth proportional to 359,558.26, 539,197.18 and 134,796.18 is: 202,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,558.26 : 539,197.18 = 134,796.18 : x
  2. Step 2: Convert to fraction form
    359,558.26/539,197.18 = 134,796.18/x
  3. Step 3: Cross multiply
    359,558.26x = 539,197.18 × 134,796.18
  4. Step 4: Simplify right side
    359,558.26x = 72,681,720,130.77
  5. Step 5: Solve for x
    x = 72,681,720,130.77/359,558.26
  6. Step 6: Final answer
    x = 202,141.71

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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.