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Finding the Fourth Proportional to 221,727.54, 305,984.30 and 126,234.23

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Solution

The fourth proportional to 221,727.54, 305,984.30 and 126,234.23 is: 174,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,727.54 : 305,984.30 = 126,234.23 : x
  2. Step 2: Convert to fraction form
    221,727.54/305,984.30 = 126,234.23/x
  3. Step 3: Cross multiply
    221,727.54x = 305,984.30 × 126,234.23
  4. Step 4: Simplify right side
    221,727.54x = 38,625,690,341.50
  5. Step 5: Solve for x
    x = 38,625,690,341.50/221,727.54
  6. Step 6: Final answer
    x = 174,203.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.