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Finding the Fourth Proportional to 489,377.52, 733,978.52 and 134,344.80

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Solution

The fourth proportional to 489,377.52, 733,978.52 and 134,344.80 is: 201,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,377.52 : 733,978.52 = 134,344.80 : x
  2. Step 2: Convert to fraction form
    489,377.52/733,978.52 = 134,344.80/x
  3. Step 3: Cross multiply
    489,377.52x = 733,978.52 × 134,344.80
  4. Step 4: Simplify right side
    489,377.52x = 98,606,197,473.70
  5. Step 5: Solve for x
    x = 98,606,197,473.70/489,377.52
  6. Step 6: Final answer
    x = 201,493.11

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