Home / 303,131.13-454,399.62-258,253.89

Finding the Fourth Proportional to 303,131.13, 454,399.62 and 258,253.89

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Solution

The fourth proportional to 303,131.13, 454,399.62 and 258,253.89 is: 387,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,131.13 : 454,399.62 = 258,253.89 : x
  2. Step 2: Convert to fraction form
    303,131.13/454,399.62 = 258,253.89/x
  3. Step 3: Cross multiply
    303,131.13x = 454,399.62 × 258,253.89
  4. Step 4: Simplify right side
    303,131.13x = 117,350,469,479.52
  5. Step 5: Solve for x
    x = 117,350,469,479.52/303,131.13
  6. Step 6: Final answer
    x = 387,127.74

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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.