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Finding the Fourth Proportional to 222,430.76, 306,976.50 and 126,951.88

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Solution

The fourth proportional to 222,430.76, 306,976.50 and 126,951.88 is: 175,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,430.76 : 306,976.50 = 126,951.88 : x
  2. Step 2: Convert to fraction form
    222,430.76/306,976.50 = 126,951.88/x
  3. Step 3: Cross multiply
    222,430.76x = 306,976.50 × 126,951.88
  4. Step 4: Simplify right side
    222,430.76x = 38,971,243,790.82
  5. Step 5: Solve for x
    x = 38,971,243,790.82/222,430.76
  6. Step 6: Final answer
    x = 175,206.18

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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.