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Finding the Fourth Proportional to 489,235.32, 733,921.02 and 173,617.20

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Solution

The fourth proportional to 489,235.32, 733,921.02 and 173,617.20 is: 260,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,235.32 : 733,921.02 = 173,617.20 : x
  2. Step 2: Convert to fraction form
    489,235.32/733,921.02 = 173,617.20/x
  3. Step 3: Cross multiply
    489,235.32x = 733,921.02 × 173,617.20
  4. Step 4: Simplify right side
    489,235.32x = 127,421,312,513.54
  5. Step 5: Solve for x
    x = 127,421,312,513.54/489,235.32
  6. Step 6: Final answer
    x = 260,449.95

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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.