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Finding the Fourth Proportional to 252,058.37, 347,836.17 and 137,337.97

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Solution

The fourth proportional to 252,058.37, 347,836.17 and 137,337.97 is: 189,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058.37 : 347,836.17 = 137,337.97 : x
  2. Step 2: Convert to fraction form
    252,058.37/347,836.17 = 137,337.97/x
  3. Step 3: Cross multiply
    252,058.37x = 347,836.17 × 137,337.97
  4. Step 4: Simplify right side
    252,058.37x = 47,771,113,480.37
  5. Step 5: Solve for x
    x = 47,771,113,480.37/252,058.37
  6. Step 6: Final answer
    x = 189,524.01

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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.