Home / 283,795.20-391,619.52-156,471.84

Finding the Fourth Proportional to 283,795.20, 391,619.52 and 156,471.84

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Solution

The fourth proportional to 283,795.20, 391,619.52 and 156,471.84 is: 215,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795.20 : 391,619.52 = 156,471.84 : x
  2. Step 2: Convert to fraction form
    283,795.20/391,619.52 = 156,471.84/x
  3. Step 3: Cross multiply
    283,795.20x = 391,619.52 × 156,471.84
  4. Step 4: Simplify right side
    283,795.20x = 61,277,426,874.32
  5. Step 5: Solve for x
    x = 61,277,426,874.32/283,795.20
  6. Step 6: Final answer
    x = 215,921.29

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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.