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Finding the Fourth Proportional to 234,952.92, 324,226.35 and 127,520.64

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Solution

The fourth proportional to 234,952.92, 324,226.35 and 127,520.64 is: 175,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,952.92 : 324,226.35 = 127,520.64 : x
  2. Step 2: Convert to fraction form
    234,952.92/324,226.35 = 127,520.64/x
  3. Step 3: Cross multiply
    234,952.92x = 324,226.35 × 127,520.64
  4. Step 4: Simplify right side
    234,952.92x = 41,345,551,656.86
  5. Step 5: Solve for x
    x = 41,345,551,656.86/234,952.92
  6. Step 6: Final answer
    x = 175,973.78

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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.