Home / 240,079.38-331,028.46-163,643.72

Finding the Fourth Proportional to 240,079.38, 331,028.46 and 163,643.72

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Solution

The fourth proportional to 240,079.38, 331,028.46 and 163,643.72 is: 225,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,079.38 : 331,028.46 = 163,643.72 : x
  2. Step 2: Convert to fraction form
    240,079.38/331,028.46 = 163,643.72/x
  3. Step 3: Cross multiply
    240,079.38x = 331,028.46 × 163,643.72
  4. Step 4: Simplify right side
    240,079.38x = 54,170,728,620.27
  5. Step 5: Solve for x
    x = 54,170,728,620.27/240,079.38
  6. Step 6: Final answer
    x = 225,636.74

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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.