Home / 283,725.87-391,544.33-156,406.02

Finding the Fourth Proportional to 283,725.87, 391,544.33 and 156,406.02

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Solution

The fourth proportional to 283,725.87, 391,544.33 and 156,406.02 is: 215,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,725.87 : 391,544.33 = 156,406.02 : x
  2. Step 2: Convert to fraction form
    283,725.87/391,544.33 = 156,406.02/x
  3. Step 3: Cross multiply
    283,725.87x = 391,544.33 × 156,406.02
  4. Step 4: Simplify right side
    283,725.87x = 61,239,890,308.87
  5. Step 5: Solve for x
    x = 61,239,890,308.87/283,725.87
  6. Step 6: Final answer
    x = 215,841.76

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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.