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Finding the Fourth Proportional to 144,868.89, 217,248.72 and 60,634.89

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Solution

The fourth proportional to 144,868.89, 217,248.72 and 60,634.89 is: 90,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,868.89 : 217,248.72 = 60,634.89 : x
  2. Step 2: Convert to fraction form
    144,868.89/217,248.72 = 60,634.89/x
  3. Step 3: Cross multiply
    144,868.89x = 217,248.72 × 60,634.89
  4. Step 4: Simplify right side
    144,868.89x = 13,172,852,239.84
  5. Step 5: Solve for x
    x = 13,172,852,239.84/144,868.89
  6. Step 6: Final answer
    x = 90,929.48

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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.