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Finding the Fourth Proportional to 221,471.07, 332,185.54 and 88,315.71

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Solution

The fourth proportional to 221,471.07, 332,185.54 and 88,315.71 is: 132,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,471.07 : 332,185.54 = 88,315.71 : x
  2. Step 2: Convert to fraction form
    221,471.07/332,185.54 = 88,315.71/x
  3. Step 3: Cross multiply
    221,471.07x = 332,185.54 × 88,315.71
  4. Step 4: Simplify right side
    221,471.07x = 29,337,201,816.83
  5. Step 5: Solve for x
    x = 29,337,201,816.83/221,471.07
  6. Step 6: Final answer
    x = 132,465.16

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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.