Home / 283,976.68-391,874.64-163,032.85

Finding the Fourth Proportional to 283,976.68, 391,874.64 and 163,032.85

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Solution

The fourth proportional to 283,976.68, 391,874.64 and 163,032.85 is: 224,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,976.68 : 391,874.64 = 163,032.85 : x
  2. Step 2: Convert to fraction form
    283,976.68/391,874.64 = 163,032.85/x
  3. Step 3: Cross multiply
    283,976.68x = 391,874.64 × 163,032.85
  4. Step 4: Simplify right side
    283,976.68x = 63,888,437,442.55
  5. Step 5: Solve for x
    x = 63,888,437,442.55/283,976.68
  6. Step 6: Final answer
    x = 224,977.76

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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.