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Finding the Fourth Proportional to 252,030.24, 347,801.76 and 138,852

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Solution

The fourth proportional to 252,030.24, 347,801.76 and 138,852 is: 191,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,030.24 : 347,801.76 = 138,852 : x
  2. Step 2: Convert to fraction form
    252,030.24/347,801.76 = 138,852/x
  3. Step 3: Cross multiply
    252,030.24x = 347,801.76 × 138,852
  4. Step 4: Simplify right side
    252,030.24x = 48,292,969,979.52
  5. Step 5: Solve for x
    x = 48,292,969,979.52/252,030.24
  6. Step 6: Final answer
    x = 191,615.78

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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.