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Finding the Fourth Proportional to 223,226.92, 308,134.02 and 147,799.72

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Solution

The fourth proportional to 223,226.92, 308,134.02 and 147,799.72 is: 204,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,226.92 : 308,134.02 = 147,799.72 : x
  2. Step 2: Convert to fraction form
    223,226.92/308,134.02 = 147,799.72/x
  3. Step 3: Cross multiply
    223,226.92x = 308,134.02 × 147,799.72
  4. Step 4: Simplify right side
    223,226.92x = 45,542,121,878.47
  5. Step 5: Solve for x
    x = 45,542,121,878.47/223,226.92
  6. Step 6: Final answer
    x = 204,017.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.