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Finding the Fourth Proportional to 227,473.03, 313,909.78 and 125,502.78

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Solution

The fourth proportional to 227,473.03, 313,909.78 and 125,502.78 is: 173,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,473.03 : 313,909.78 = 125,502.78 : x
  2. Step 2: Convert to fraction form
    227,473.03/313,909.78 = 125,502.78/x
  3. Step 3: Cross multiply
    227,473.03x = 313,909.78 × 125,502.78
  4. Step 4: Simplify right side
    227,473.03x = 39,396,550,059.19
  5. Step 5: Solve for x
    x = 39,396,550,059.19/227,473.03
  6. Step 6: Final answer
    x = 173,192.18

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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.