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Finding the Fourth Proportional to 359,581.60, 539,761.20 and 202,117.60

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Solution

The fourth proportional to 359,581.60, 539,761.20 and 202,117.60 is: 303,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,581.60 : 539,761.20 = 202,117.60 : x
  2. Step 2: Convert to fraction form
    359,581.60/539,761.20 = 202,117.60/x
  3. Step 3: Cross multiply
    359,581.60x = 539,761.20 × 202,117.60
  4. Step 4: Simplify right side
    359,581.60x = 109,095,238,317.12
  5. Step 5: Solve for x
    x = 109,095,238,317.12/359,581.60
  6. Step 6: Final answer
    x = 303,394.94

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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.