Home / 331,399.38-457,390.44-195,425.10

Finding the Fourth Proportional to 331,399.38, 457,390.44 and 195,425.10

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Solution

The fourth proportional to 331,399.38, 457,390.44 and 195,425.10 is: 269,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,399.38 : 457,390.44 = 195,425.10 : x
  2. Step 2: Convert to fraction form
    331,399.38/457,390.44 = 195,425.10/x
  3. Step 3: Cross multiply
    331,399.38x = 457,390.44 × 195,425.10
  4. Step 4: Simplify right side
    331,399.38x = 89,385,572,476.04
  5. Step 5: Solve for x
    x = 89,385,572,476.04/331,399.38
  6. Step 6: Final answer
    x = 269,721.60

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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.