Home / 310,375.41-428,304.27-181,325.85

Finding the Fourth Proportional to 310,375.41, 428,304.27 and 181,325.85

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Solution

The fourth proportional to 310,375.41, 428,304.27 and 181,325.85 is: 250,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,375.41 : 428,304.27 = 181,325.85 : x
  2. Step 2: Convert to fraction form
    310,375.41/428,304.27 = 181,325.85/x
  3. Step 3: Cross multiply
    310,375.41x = 428,304.27 × 181,325.85
  4. Step 4: Simplify right side
    310,375.41x = 77,662,635,816.38
  5. Step 5: Solve for x
    x = 77,662,635,816.38/310,375.41
  6. Step 6: Final answer
    x = 250,221.61

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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.