Home / 283,729.24-391,573.92-211,984.72

Finding the Fourth Proportional to 283,729.24, 391,573.92 and 211,984.72

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Solution

The fourth proportional to 283,729.24, 391,573.92 and 211,984.72 is: 292,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,729.24 : 391,573.92 = 211,984.72 : x
  2. Step 2: Convert to fraction form
    283,729.24/391,573.92 = 211,984.72/x
  3. Step 3: Cross multiply
    283,729.24x = 391,573.92 × 211,984.72
  4. Step 4: Simplify right side
    283,729.24x = 83,007,687,790.50
  5. Step 5: Solve for x
    x = 83,007,687,790.50/283,729.24
  6. Step 6: Final answer
    x = 292,559.51

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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.