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Finding the Fourth Proportional to 221,403.70, 332,105.55 and 203,032.90

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Solution

The fourth proportional to 221,403.70, 332,105.55 and 203,032.90 is: 304,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,403.70 : 332,105.55 = 203,032.90 : x
  2. Step 2: Convert to fraction form
    221,403.70/332,105.55 = 203,032.90/x
  3. Step 3: Cross multiply
    221,403.70x = 332,105.55 × 203,032.90
  4. Step 4: Simplify right side
    221,403.70x = 67,428,352,922.60
  5. Step 5: Solve for x
    x = 67,428,352,922.60/221,403.70
  6. Step 6: Final answer
    x = 304,549.35

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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.