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Finding the Fourth Proportional to 252,600.56, 348,583.50 and 137,881.47

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Solution

The fourth proportional to 252,600.56, 348,583.50 and 137,881.47 is: 190,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,600.56 : 348,583.50 = 137,881.47 : x
  2. Step 2: Convert to fraction form
    252,600.56/348,583.50 = 137,881.47/x
  3. Step 3: Cross multiply
    252,600.56x = 348,583.50 × 137,881.47
  4. Step 4: Simplify right side
    252,600.56x = 48,063,205,397.75
  5. Step 5: Solve for x
    x = 48,063,205,397.75/252,600.56
  6. Step 6: Final answer
    x = 190,273.55

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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.