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Finding the Fourth Proportional to 223,500.90, 335,251.35 and 221,427.30

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Solution

The fourth proportional to 223,500.90, 335,251.35 and 221,427.30 is: 332,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,500.90 : 335,251.35 = 221,427.30 : x
  2. Step 2: Convert to fraction form
    223,500.90/335,251.35 = 221,427.30/x
  3. Step 3: Cross multiply
    223,500.90x = 335,251.35 × 221,427.30
  4. Step 4: Simplify right side
    223,500.90x = 74,233,801,251.86
  5. Step 5: Solve for x
    x = 74,233,801,251.86/223,500.90
  6. Step 6: Final answer
    x = 332,140.95

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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.