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Finding the Fourth Proportional to 264,933, 397,302.30 and 87,387.48

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Solution

The fourth proportional to 264,933, 397,302.30 and 87,387.48 is: 131,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,933 : 397,302.30 = 87,387.48 : x
  2. Step 2: Convert to fraction form
    264,933/397,302.30 = 87,387.48/x
  3. Step 3: Cross multiply
    264,933x = 397,302.30 × 87,387.48
  4. Step 4: Simplify right side
    264,933x = 34,719,246,795.20
  5. Step 5: Solve for x
    x = 34,719,246,795.20/264,933
  6. Step 6: Final answer
    x = 131,049.16

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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.