Home / 283,899.35-391,789.86-163,064.88

Finding the Fourth Proportional to 283,899.35, 391,789.86 and 163,064.88

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Solution

The fourth proportional to 283,899.35, 391,789.86 and 163,064.88 is: 225,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,899.35 : 391,789.86 = 163,064.88 : x
  2. Step 2: Convert to fraction form
    283,899.35/391,789.86 = 163,064.88/x
  3. Step 3: Cross multiply
    283,899.35x = 391,789.86 × 163,064.88
  4. Step 4: Simplify right side
    283,899.35x = 63,887,166,506.12
  5. Step 5: Solve for x
    x = 63,887,166,506.12/283,899.35
  6. Step 6: Final answer
    x = 225,034.56

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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.