Home / 217,933.49-327,392.31-129,245.16

Finding the Fourth Proportional to 217,933.49, 327,392.31 and 129,245.16

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Solution

The fourth proportional to 217,933.49, 327,392.31 and 129,245.16 is: 194,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,933.49 : 327,392.31 = 129,245.16 : x
  2. Step 2: Convert to fraction form
    217,933.49/327,392.31 = 129,245.16/x
  3. Step 3: Cross multiply
    217,933.49x = 327,392.31 × 129,245.16
  4. Step 4: Simplify right side
    217,933.49x = 42,313,871,488.72
  5. Step 5: Solve for x
    x = 42,313,871,488.72/217,933.49
  6. Step 6: Final answer
    x = 194,159.57

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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.