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Finding the Fourth Proportional to 230,771.03, 318,481.88 and 127,425.40

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Solution

The fourth proportional to 230,771.03, 318,481.88 and 127,425.40 is: 175,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,771.03 : 318,481.88 = 127,425.40 : x
  2. Step 2: Convert to fraction form
    230,771.03/318,481.88 = 127,425.40/x
  3. Step 3: Cross multiply
    230,771.03x = 318,481.88 × 127,425.40
  4. Step 4: Simplify right side
    230,771.03x = 40,582,681,309.88
  5. Step 5: Solve for x
    x = 40,582,681,309.88/230,771.03
  6. Step 6: Final answer
    x = 175,856.92

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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.