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Finding the Fourth Proportional to 252,753.06, 348,792.51 and 138,034.80

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Solution

The fourth proportional to 252,753.06, 348,792.51 and 138,034.80 is: 190,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,753.06 : 348,792.51 = 138,034.80 : x
  2. Step 2: Convert to fraction form
    252,753.06/348,792.51 = 138,034.80/x
  3. Step 3: Cross multiply
    252,753.06x = 348,792.51 × 138,034.80
  4. Step 4: Simplify right side
    252,753.06x = 48,145,504,359.35
  5. Step 5: Solve for x
    x = 48,145,504,359.35/252,753.06
  6. Step 6: Final answer
    x = 190,484.36

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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.