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Finding the Fourth Proportional to 359,579.60, 539,758.20 and 202,115.60

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Solution

The fourth proportional to 359,579.60, 539,758.20 and 202,115.60 is: 303,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,579.60 : 539,758.20 = 202,115.60 : x
  2. Step 2: Convert to fraction form
    359,579.60/539,758.20 = 202,115.60/x
  3. Step 3: Cross multiply
    359,579.60x = 539,758.20 × 202,115.60
  4. Step 4: Simplify right side
    359,579.60x = 109,093,552,447.92
  5. Step 5: Solve for x
    x = 109,093,552,447.92/359,579.60
  6. Step 6: Final answer
    x = 303,391.94

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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.