Home / 217,767.20-326,679.96-77,527.04

Finding the Fourth Proportional to 217,767.20, 326,679.96 and 77,527.04

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Solution

The fourth proportional to 217,767.20, 326,679.96 and 77,527.04 is: 116,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,767.20 : 326,679.96 = 77,527.04 : x
  2. Step 2: Convert to fraction form
    217,767.20/326,679.96 = 77,527.04/x
  3. Step 3: Cross multiply
    217,767.20x = 326,679.96 × 77,527.04
  4. Step 4: Simplify right side
    217,767.20x = 25,326,530,326.12
  5. Step 5: Solve for x
    x = 25,326,530,326.12/217,767.20
  6. Step 6: Final answer
    x = 116,300.94

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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.