Home / 218,454.05-327,528.78-96,808.35

Finding the Fourth Proportional to 218,454.05, 327,528.78 and 96,808.35

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Solution

The fourth proportional to 218,454.05, 327,528.78 and 96,808.35 is: 145,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,454.05 : 327,528.78 = 96,808.35 : x
  2. Step 2: Convert to fraction form
    218,454.05/327,528.78 = 96,808.35/x
  3. Step 3: Cross multiply
    218,454.05x = 327,528.78 × 96,808.35
  4. Step 4: Simplify right side
    218,454.05x = 31,707,520,769.31
  5. Step 5: Solve for x
    x = 31,707,520,769.31/218,454.05
  6. Step 6: Final answer
    x = 145,145.04

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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.