Home / 391,932.03-540,850.44-230,793.87

Finding the Fourth Proportional to 391,932.03, 540,850.44 and 230,793.87

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Solution

The fourth proportional to 391,932.03, 540,850.44 and 230,793.87 is: 318,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,932.03 : 540,850.44 = 230,793.87 : x
  2. Step 2: Convert to fraction form
    391,932.03/540,850.44 = 230,793.87/x
  3. Step 3: Cross multiply
    391,932.03x = 540,850.44 × 230,793.87
  4. Step 4: Simplify right side
    391,932.03x = 124,824,966,138.80
  5. Step 5: Solve for x
    x = 124,824,966,138.80/391,932.03
  6. Step 6: Final answer
    x = 318,486.26

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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.