Home / 283,757.10-391,587.42-156,437.25

Finding the Fourth Proportional to 283,757.10, 391,587.42 and 156,437.25

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Solution

The fourth proportional to 283,757.10, 391,587.42 and 156,437.25 is: 215,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,757.10 : 391,587.42 = 156,437.25 : x
  2. Step 2: Convert to fraction form
    283,757.10/391,587.42 = 156,437.25/x
  3. Step 3: Cross multiply
    283,757.10x = 391,587.42 × 156,437.25
  4. Step 4: Simplify right side
    283,757.10x = 61,258,859,119.40
  5. Step 5: Solve for x
    x = 61,258,859,119.40/283,757.10
  6. Step 6: Final answer
    x = 215,884.85

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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.