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Finding the Fourth Proportional to 221,737.71, 306,052.73 and 126,300.81

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Solution

The fourth proportional to 221,737.71, 306,052.73 and 126,300.81 is: 174,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,737.71 : 306,052.73 = 126,300.81 : x
  2. Step 2: Convert to fraction form
    221,737.71/306,052.73 = 126,300.81/x
  3. Step 3: Cross multiply
    221,737.71x = 306,052.73 × 126,300.81
  4. Step 4: Simplify right side
    221,737.71x = 38,654,707,070.21
  5. Step 5: Solve for x
    x = 38,654,707,070.21/221,737.71
  6. Step 6: Final answer
    x = 174,326.27

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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.