Home / 347,682.30-521,523.45-268,853.10

Finding the Fourth Proportional to 347,682.30, 521,523.45 and 268,853.10

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Solution

The fourth proportional to 347,682.30, 521,523.45 and 268,853.10 is: 403,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,682.30 : 521,523.45 = 268,853.10 : x
  2. Step 2: Convert to fraction form
    347,682.30/521,523.45 = 268,853.10/x
  3. Step 3: Cross multiply
    347,682.30x = 521,523.45 × 268,853.10
  4. Step 4: Simplify right side
    347,682.30x = 140,213,196,255.20
  5. Step 5: Solve for x
    x = 140,213,196,255.20/347,682.30
  6. Step 6: Final answer
    x = 403,279.65

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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.