Home / 324,787.20-487,236.69-111,544.98

Finding the Fourth Proportional to 324,787.20, 487,236.69 and 111,544.98

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Solution

The fourth proportional to 324,787.20, 487,236.69 and 111,544.98 is: 167,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,787.20 : 487,236.69 = 111,544.98 : x
  2. Step 2: Convert to fraction form
    324,787.20/487,236.69 = 111,544.98/x
  3. Step 3: Cross multiply
    324,787.20x = 487,236.69 × 111,544.98
  4. Step 4: Simplify right side
    324,787.20x = 54,348,806,841.32
  5. Step 5: Solve for x
    x = 54,348,806,841.32/324,787.20
  6. Step 6: Final answer
    x = 167,336.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.