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Finding the Fourth Proportional to 432,864.90, 649,297.36 and 117,321.81

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Solution

The fourth proportional to 432,864.90, 649,297.36 and 117,321.81 is: 175,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,864.90 : 649,297.36 = 117,321.81 : x
  2. Step 2: Convert to fraction form
    432,864.90/649,297.36 = 117,321.81/x
  3. Step 3: Cross multiply
    432,864.90x = 649,297.36 × 117,321.81
  4. Step 4: Simplify right side
    432,864.90x = 76,176,737,670.33
  5. Step 5: Solve for x
    x = 76,176,737,670.33/432,864.90
  6. Step 6: Final answer
    x = 175,982.71

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Similar ratio
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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.