Home / 371,983.50-558,133.29-203,306.79

Finding the Fourth Proportional to 371,983.50, 558,133.29 and 203,306.79

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Solution

The fourth proportional to 371,983.50, 558,133.29 and 203,306.79 is: 305,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,983.50 : 558,133.29 = 203,306.79 : x
  2. Step 2: Convert to fraction form
    371,983.50/558,133.29 = 203,306.79/x
  3. Step 3: Cross multiply
    371,983.50x = 558,133.29 × 203,306.79
  4. Step 4: Simplify right side
    371,983.50x = 113,472,287,582.04
  5. Step 5: Solve for x
    x = 113,472,287,582.04/371,983.50
  6. Step 6: Final answer
    x = 305,046.56

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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.