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Finding the Fourth Proportional to 489,552.50, 734,162.38 and 169,629.70

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Solution

The fourth proportional to 489,552.50, 734,162.38 and 169,629.70 is: 254,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,552.50 : 734,162.38 = 169,629.70 : x
  2. Step 2: Convert to fraction form
    489,552.50/734,162.38 = 169,629.70/x
  3. Step 3: Cross multiply
    489,552.50x = 734,162.38 × 169,629.70
  4. Step 4: Simplify right side
    489,552.50x = 124,535,744,270.69
  5. Step 5: Solve for x
    x = 124,535,744,270.69/489,552.50
  6. Step 6: Final answer
    x = 254,386.90

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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.