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Finding the Fourth Proportional to 489,562.57, 734,177.52 and 169,639.79

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Solution

The fourth proportional to 489,562.57, 734,177.52 and 169,639.79 is: 254,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,562.57 : 734,177.52 = 169,639.79 : x
  2. Step 2: Convert to fraction form
    489,562.57/734,177.52 = 169,639.79/x
  3. Step 3: Cross multiply
    489,562.57x = 734,177.52 × 169,639.79
  4. Step 4: Simplify right side
    489,562.57x = 124,545,720,315.52
  5. Step 5: Solve for x
    x = 124,545,720,315.52/489,562.57
  6. Step 6: Final answer
    x = 254,402.05

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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.