Home / 492,736.20-739,104.30-193,117.20

Finding the Fourth Proportional to 492,736.20, 739,104.30 and 193,117.20

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Solution

The fourth proportional to 492,736.20, 739,104.30 and 193,117.20 is: 289,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,736.20 : 739,104.30 = 193,117.20 : x
  2. Step 2: Convert to fraction form
    492,736.20/739,104.30 = 193,117.20/x
  3. Step 3: Cross multiply
    492,736.20x = 739,104.30 × 193,117.20
  4. Step 4: Simplify right side
    492,736.20x = 142,733,752,923.96
  5. Step 5: Solve for x
    x = 142,733,752,923.96/492,736.20
  6. Step 6: Final answer
    x = 289,675.80

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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.