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Finding the Fourth Proportional to 223,825.20, 335,737.80 and 90,709.80

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Solution

The fourth proportional to 223,825.20, 335,737.80 and 90,709.80 is: 136,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,825.20 : 335,737.80 = 90,709.80 : x
  2. Step 2: Convert to fraction form
    223,825.20/335,737.80 = 90,709.80/x
  3. Step 3: Cross multiply
    223,825.20x = 335,737.80 × 90,709.80
  4. Step 4: Simplify right side
    223,825.20x = 30,454,708,690.44
  5. Step 5: Solve for x
    x = 30,454,708,690.44/223,825.20
  6. Step 6: Final answer
    x = 136,064.70

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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.