Home / 363,589.20-501,773.76-218,439.36

Finding the Fourth Proportional to 363,589.20, 501,773.76 and 218,439.36

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Solution

The fourth proportional to 363,589.20, 501,773.76 and 218,439.36 is: 301,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,589.20 : 501,773.76 = 218,439.36 : x
  2. Step 2: Convert to fraction form
    363,589.20/501,773.76 = 218,439.36/x
  3. Step 3: Cross multiply
    363,589.20x = 501,773.76 × 218,439.36
  4. Step 4: Simplify right side
    363,589.20x = 109,607,138,999.19
  5. Step 5: Solve for x
    x = 109,607,138,999.19/363,589.20
  6. Step 6: Final answer
    x = 301,458.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.