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Finding the Fourth Proportional to 552,452.25, 828,676.01 and 153,091.88

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Solution

The fourth proportional to 552,452.25, 828,676.01 and 153,091.88 is: 229,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,452.25 : 828,676.01 = 153,091.88 : x
  2. Step 2: Convert to fraction form
    552,452.25/828,676.01 = 153,091.88/x
  3. Step 3: Cross multiply
    552,452.25x = 828,676.01 × 153,091.88
  4. Step 4: Simplify right side
    552,452.25x = 126,863,564,521.15
  5. Step 5: Solve for x
    x = 126,863,564,521.15/552,452.25
  6. Step 6: Final answer
    x = 229,637.16

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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.