Home / 286,524.87-395,397.18-159,200.79

Finding the Fourth Proportional to 286,524.87, 395,397.18 and 159,200.79

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Solution

The fourth proportional to 286,524.87, 395,397.18 and 159,200.79 is: 219,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,524.87 : 395,397.18 = 159,200.79 : x
  2. Step 2: Convert to fraction form
    286,524.87/395,397.18 = 159,200.79/x
  3. Step 3: Cross multiply
    286,524.87x = 395,397.18 × 159,200.79
  4. Step 4: Simplify right side
    286,524.87x = 62,947,543,419.77
  5. Step 5: Solve for x
    x = 62,947,543,419.77/286,524.87
  6. Step 6: Final answer
    x = 219,693.12

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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.