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Finding the Fourth Proportional to 275,774.98, 413,555.85 and 107,272.55

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Solution

The fourth proportional to 275,774.98, 413,555.85 and 107,272.55 is: 160,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,774.98 : 413,555.85 = 107,272.55 : x
  2. Step 2: Convert to fraction form
    275,774.98/413,555.85 = 107,272.55/x
  3. Step 3: Cross multiply
    275,774.98x = 413,555.85 × 107,272.55
  4. Step 4: Simplify right side
    275,774.98x = 44,363,187,992.78
  5. Step 5: Solve for x
    x = 44,363,187,992.78/275,774.98
  6. Step 6: Final answer
    x = 160,867.34

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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.