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Finding the Fourth Proportional to 298,778.92, 412,304.45 and 167,952.58

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Solution

The fourth proportional to 298,778.92, 412,304.45 and 167,952.58 is: 231,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,778.92 : 412,304.45 = 167,952.58 : x
  2. Step 2: Convert to fraction form
    298,778.92/412,304.45 = 167,952.58/x
  3. Step 3: Cross multiply
    298,778.92x = 412,304.45 × 167,952.58
  4. Step 4: Simplify right side
    298,778.92x = 69,247,594,252.46
  5. Step 5: Solve for x
    x = 69,247,594,252.46/298,778.92
  6. Step 6: Final answer
    x = 231,768.68

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1.5x scale

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.