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Finding the Fourth Proportional to 486,115.50, 729,136.53 and 170,593.50

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Solution

The fourth proportional to 486,115.50, 729,136.53 and 170,593.50 is: 255,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,115.50 : 729,136.53 = 170,593.50 : x
  2. Step 2: Convert to fraction form
    486,115.50/729,136.53 = 170,593.50/x
  3. Step 3: Cross multiply
    486,115.50x = 729,136.53 × 170,593.50
  4. Step 4: Simplify right side
    486,115.50x = 124,385,952,630.56
  5. Step 5: Solve for x
    x = 124,385,952,630.56/486,115.50
  6. Step 6: Final answer
    x = 255,877.36

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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.