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Finding the Fourth Proportional to 223,707.24, 308,706.66 and 123,098.76

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Solution

The fourth proportional to 223,707.24, 308,706.66 and 123,098.76 is: 169,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,707.24 : 308,706.66 = 123,098.76 : x
  2. Step 2: Convert to fraction form
    223,707.24/308,706.66 = 123,098.76/x
  3. Step 3: Cross multiply
    223,707.24x = 308,706.66 × 123,098.76
  4. Step 4: Simplify right side
    223,707.24x = 38,001,407,049.74
  5. Step 5: Solve for x
    x = 38,001,407,049.74/223,707.24
  6. Step 6: Final answer
    x = 169,871.15

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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.