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Finding the Fourth Proportional to 252,538.95, 348,505.78 and 137,818.49

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Solution

The fourth proportional to 252,538.95, 348,505.78 and 137,818.49 is: 190,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,538.95 : 348,505.78 = 137,818.49 : x
  2. Step 2: Convert to fraction form
    252,538.95/348,505.78 = 137,818.49/x
  3. Step 3: Cross multiply
    252,538.95x = 348,505.78 × 137,818.49
  4. Step 4: Simplify right side
    252,538.95x = 48,030,540,355.87
  5. Step 5: Solve for x
    x = 48,030,540,355.87/252,538.95
  6. Step 6: Final answer
    x = 190,190.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.