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Finding the Fourth Proportional to 218,324.53, 301,188.31 and 157,799.31

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Solution

The fourth proportional to 218,324.53, 301,188.31 and 157,799.31 is: 217,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,324.53 : 301,188.31 = 157,799.31 : x
  2. Step 2: Convert to fraction form
    218,324.53/301,188.31 = 157,799.31/x
  3. Step 3: Cross multiply
    218,324.53x = 301,188.31 × 157,799.31
  4. Step 4: Simplify right side
    218,324.53x = 47,527,307,498.07
  5. Step 5: Solve for x
    x = 47,527,307,498.07/218,324.53
  6. Step 6: Final answer
    x = 217,691.10

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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.