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Finding the Fourth Proportional to 144,462.78, 216,546.45 and 49,664.52

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Solution

The fourth proportional to 144,462.78, 216,546.45 and 49,664.52 is: 74,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,462.78 : 216,546.45 = 49,664.52 : x
  2. Step 2: Convert to fraction form
    144,462.78/216,546.45 = 49,664.52/x
  3. Step 3: Cross multiply
    144,462.78x = 216,546.45 × 49,664.52
  4. Step 4: Simplify right side
    144,462.78x = 10,754,675,496.95
  5. Step 5: Solve for x
    x = 10,754,675,496.95/144,462.78
  6. Step 6: Final answer
    x = 74,446.00

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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.