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Finding the Fourth Proportional to 252,027.60, 347,794.20 and 138,854.40

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Solution

The fourth proportional to 252,027.60, 347,794.20 and 138,854.40 is: 191,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,027.60 : 347,794.20 = 138,854.40 : x
  2. Step 2: Convert to fraction form
    252,027.60/347,794.20 = 138,854.40/x
  3. Step 3: Cross multiply
    252,027.60x = 347,794.20 × 138,854.40
  4. Step 4: Simplify right side
    252,027.60x = 48,292,754,964.48
  5. Step 5: Solve for x
    x = 48,292,754,964.48/252,027.60
  6. Step 6: Final answer
    x = 191,616.93

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1.5x scale

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.