Home / 489,244.10-675,162.33-271,456.72

Finding the Fourth Proportional to 489,244.10, 675,162.33 and 271,456.72

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Solution

The fourth proportional to 489,244.10, 675,162.33 and 271,456.72 is: 374,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,244.10 : 675,162.33 = 271,456.72 : x
  2. Step 2: Convert to fraction form
    489,244.10/675,162.33 = 271,456.72/x
  3. Step 3: Cross multiply
    489,244.10x = 675,162.33 × 271,456.72
  4. Step 4: Simplify right side
    489,244.10x = 183,277,347,854.23
  5. Step 5: Solve for x
    x = 183,277,347,854.23/489,244.10
  6. Step 6: Final answer
    x = 374,613.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.