Home / 282,245.94-389,500.65-154,922.58

Finding the Fourth Proportional to 282,245.94, 389,500.65 and 154,922.58

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Solution

The fourth proportional to 282,245.94, 389,500.65 and 154,922.58 is: 213,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,245.94 : 389,500.65 = 154,922.58 : x
  2. Step 2: Convert to fraction form
    282,245.94/389,500.65 = 154,922.58/x
  3. Step 3: Cross multiply
    282,245.94x = 389,500.65 × 154,922.58
  4. Step 4: Simplify right side
    282,245.94x = 60,342,445,609.68
  5. Step 5: Solve for x
    x = 60,342,445,609.68/282,245.94
  6. Step 6: Final answer
    x = 213,793.85

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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.