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Finding the Fourth Proportional to 227,497.86, 341,456.22 and 115,256.16

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Solution

The fourth proportional to 227,497.86, 341,456.22 and 115,256.16 is: 172,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,497.86 : 341,456.22 = 115,256.16 : x
  2. Step 2: Convert to fraction form
    227,497.86/341,456.22 = 115,256.16/x
  3. Step 3: Cross multiply
    227,497.86x = 341,456.22 × 115,256.16
  4. Step 4: Simplify right side
    227,497.86x = 39,354,932,725.32
  5. Step 5: Solve for x
    x = 39,354,932,725.32/227,497.86
  6. Step 6: Final answer
    x = 172,990.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.