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Finding the Fourth Proportional to 218,244.17, 301,006.26 and 141,787.87

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Solution

The fourth proportional to 218,244.17, 301,006.26 and 141,787.87 is: 195,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,244.17 : 301,006.26 = 141,787.87 : x
  2. Step 2: Convert to fraction form
    218,244.17/301,006.26 = 141,787.87/x
  3. Step 3: Cross multiply
    218,244.17x = 301,006.26 × 141,787.87
  4. Step 4: Simplify right side
    218,244.17x = 42,679,035,709.55
  5. Step 5: Solve for x
    x = 42,679,035,709.55/218,244.17
  6. Step 6: Final answer
    x = 195,556.36

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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.