Home / 492,282.20-738,204.60-192,663.20

Finding the Fourth Proportional to 492,282.20, 738,204.60 and 192,663.20

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Solution

The fourth proportional to 492,282.20, 738,204.60 and 192,663.20 is: 288,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,282.20 : 738,204.60 = 192,663.20 : x
  2. Step 2: Convert to fraction form
    492,282.20/738,204.60 = 192,663.20/x
  3. Step 3: Cross multiply
    492,282.20x = 738,204.60 × 192,663.20
  4. Step 4: Simplify right side
    492,282.20x = 142,224,860,490.72
  5. Step 5: Solve for x
    x = 142,224,860,490.72/492,282.20
  6. Step 6: Final answer
    x = 288,909.21

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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.