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Finding the Fourth Proportional to 261,700.01, 361,179.96 and 159,739

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Solution

The fourth proportional to 261,700.01, 361,179.96 and 159,739 is: 220,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,700.01 : 361,179.96 = 159,739 : x
  2. Step 2: Convert to fraction form
    261,700.01/361,179.96 = 159,739/x
  3. Step 3: Cross multiply
    261,700.01x = 361,179.96 × 159,739
  4. Step 4: Simplify right side
    261,700.01x = 57,694,525,630.44
  5. Step 5: Solve for x
    x = 57,694,525,630.44/261,700.01
  6. Step 6: Final answer
    x = 220,460.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.