Home / 392,228.57-541,095.45-231,006.35

Finding the Fourth Proportional to 392,228.57, 541,095.45 and 231,006.35

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Solution

The fourth proportional to 392,228.57, 541,095.45 and 231,006.35 is: 318,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,228.57 : 541,095.45 = 231,006.35 : x
  2. Step 2: Convert to fraction form
    392,228.57/541,095.45 = 231,006.35/x
  3. Step 3: Cross multiply
    392,228.57x = 541,095.45 × 231,006.35
  4. Step 4: Simplify right side
    392,228.57x = 124,996,484,906.11
  5. Step 5: Solve for x
    x = 124,996,484,906.11/392,228.57
  6. Step 6: Final answer
    x = 318,682.76

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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.