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Finding the Fourth Proportional to 227,145.98, 313,457.22 and 125,180.88

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Solution

The fourth proportional to 227,145.98, 313,457.22 and 125,180.88 is: 172,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,145.98 : 313,457.22 = 125,180.88 : x
  2. Step 2: Convert to fraction form
    227,145.98/313,457.22 = 125,180.88/x
  3. Step 3: Cross multiply
    227,145.98x = 313,457.22 × 125,180.88
  4. Step 4: Simplify right side
    227,145.98x = 39,238,850,641.95
  5. Step 5: Solve for x
    x = 39,238,850,641.95/227,145.98
  6. Step 6: Final answer
    x = 172,747.29

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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.