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Finding the Fourth Proportional to 252,512.68, 348,469.14 and 137,799.40

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Solution

The fourth proportional to 252,512.68, 348,469.14 and 137,799.40 is: 190,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,512.68 : 348,469.14 = 137,799.40 : x
  2. Step 2: Convert to fraction form
    252,512.68/348,469.14 = 137,799.40/x
  3. Step 3: Cross multiply
    252,512.68x = 348,469.14 × 137,799.40
  4. Step 4: Simplify right side
    252,512.68x = 48,018,838,410.52
  5. Step 5: Solve for x
    x = 48,018,838,410.52/252,512.68
  6. Step 6: Final answer
    x = 190,164.07

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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.