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Finding the Fourth Proportional to 247,148.01, 341,061.98 and 138,251.07

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Solution

The fourth proportional to 247,148.01, 341,061.98 and 138,251.07 is: 190,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,148.01 : 341,061.98 = 138,251.07 : x
  2. Step 2: Convert to fraction form
    247,148.01/341,061.98 = 138,251.07/x
  3. Step 3: Cross multiply
    247,148.01x = 341,061.98 × 138,251.07
  4. Step 4: Simplify right side
    247,148.01x = 47,152,182,980.06
  5. Step 5: Solve for x
    x = 47,152,182,980.06/247,148.01
  6. Step 6: Final answer
    x = 190,785.20

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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.