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Finding the Fourth Proportional to 221,632.06, 332,415.03 and 61,691.29

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Solution

The fourth proportional to 221,632.06, 332,415.03 and 61,691.29 is: 92,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,632.06 : 332,415.03 = 61,691.29 : x
  2. Step 2: Convert to fraction form
    221,632.06/332,415.03 = 61,691.29/x
  3. Step 3: Cross multiply
    221,632.06x = 332,415.03 × 61,691.29
  4. Step 4: Simplify right side
    221,632.06x = 20,507,110,923.76
  5. Step 5: Solve for x
    x = 20,507,110,923.76/221,632.06
  6. Step 6: Final answer
    x = 92,527.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.