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Finding the Fourth Proportional to 252,055.27, 347,844.15 and 144,644.95

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Solution

The fourth proportional to 252,055.27, 347,844.15 and 144,644.95 is: 199,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,055.27 : 347,844.15 = 144,644.95 : x
  2. Step 2: Convert to fraction form
    252,055.27/347,844.15 = 144,644.95/x
  3. Step 3: Cross multiply
    252,055.27x = 347,844.15 × 144,644.95
  4. Step 4: Simplify right side
    252,055.27x = 50,313,897,222.10
  5. Step 5: Solve for x
    x = 50,313,897,222.10/252,055.27
  6. Step 6: Final answer
    x = 199,614.55

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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.