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Finding the Fourth Proportional to 221,882.40, 332,823.60 and 133,090.20

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Solution

The fourth proportional to 221,882.40, 332,823.60 and 133,090.20 is: 199,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,882.40 : 332,823.60 = 133,090.20 : x
  2. Step 2: Convert to fraction form
    221,882.40/332,823.60 = 133,090.20/x
  3. Step 3: Cross multiply
    221,882.40x = 332,823.60 × 133,090.20
  4. Step 4: Simplify right side
    221,882.40x = 44,295,559,488.72
  5. Step 5: Solve for x
    x = 44,295,559,488.72/221,882.40
  6. Step 6: Final answer
    x = 199,635.30

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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.