Home / 492,257.20-738,167.10-192,638.20

Finding the Fourth Proportional to 492,257.20, 738,167.10 and 192,638.20

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Solution

The fourth proportional to 492,257.20, 738,167.10 and 192,638.20 is: 288,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,257.20 : 738,167.10 = 192,638.20 : x
  2. Step 2: Convert to fraction form
    492,257.20/738,167.10 = 192,638.20/x
  3. Step 3: Cross multiply
    492,257.20x = 738,167.10 × 192,638.20
  4. Step 4: Simplify right side
    492,257.20x = 142,199,181,443.22
  5. Step 5: Solve for x
    x = 142,199,181,443.22/492,257.20
  6. Step 6: Final answer
    x = 288,871.71

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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.