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Finding the Fourth Proportional to 275,874.30, 413,811.45 and 231,587.55

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Solution

The fourth proportional to 275,874.30, 413,811.45 and 231,587.55 is: 347,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,874.30 : 413,811.45 = 231,587.55 : x
  2. Step 2: Convert to fraction form
    275,874.30/413,811.45 = 231,587.55/x
  3. Step 3: Cross multiply
    275,874.30x = 413,811.45 × 231,587.55
  4. Step 4: Simplify right side
    275,874.30x = 95,833,579,867.45
  5. Step 5: Solve for x
    x = 95,833,579,867.45/275,874.30
  6. Step 6: Final answer
    x = 347,381.33

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1.5x scale

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.