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Finding the Fourth Proportional to 547,532.01, 821,233.32 and 168,452.01

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Solution

The fourth proportional to 547,532.01, 821,233.32 and 168,452.01 is: 252,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,532.01 : 821,233.32 = 168,452.01 : x
  2. Step 2: Convert to fraction form
    547,532.01/821,233.32 = 168,452.01/x
  3. Step 3: Cross multiply
    547,532.01x = 821,233.32 × 168,452.01
  4. Step 4: Simplify right side
    547,532.01x = 138,338,403,432.97
  5. Step 5: Solve for x
    x = 138,338,403,432.97/547,532.01
  6. Step 6: Final answer
    x = 252,658.11

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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.