Home / 250,520-345,899.04-161,251.52

Finding the Fourth Proportional to 250,520, 345,899.04 and 161,251.52

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Solution

The fourth proportional to 250,520, 345,899.04 and 161,251.52 is: 222,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,520 : 345,899.04 = 161,251.52 : x
  2. Step 2: Convert to fraction form
    250,520/345,899.04 = 161,251.52/x
  3. Step 3: Cross multiply
    250,520x = 345,899.04 × 161,251.52
  4. Step 4: Simplify right side
    250,520x = 55,776,745,966.54
  5. Step 5: Solve for x
    x = 55,776,745,966.54/250,520
  6. Step 6: Final answer
    x = 222,643.88

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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.