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Finding the Fourth Proportional to 229,552.92, 316,782.72 and 127,575.12

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Solution

The fourth proportional to 229,552.92, 316,782.72 and 127,575.12 is: 176,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,552.92 : 316,782.72 = 127,575.12 : x
  2. Step 2: Convert to fraction form
    229,552.92/316,782.72 = 127,575.12/x
  3. Step 3: Cross multiply
    229,552.92x = 316,782.72 × 127,575.12
  4. Step 4: Simplify right side
    229,552.92x = 40,413,593,517.93
  5. Step 5: Solve for x
    x = 40,413,593,517.93/229,552.92
  6. Step 6: Final answer
    x = 176,053.49

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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.