Home / 372,287.80-558,431.70-310,286.35

Finding the Fourth Proportional to 372,287.80, 558,431.70 and 310,286.35

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Solution

The fourth proportional to 372,287.80, 558,431.70 and 310,286.35 is: 465,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,287.80 : 558,431.70 = 310,286.35 : x
  2. Step 2: Convert to fraction form
    372,287.80/558,431.70 = 310,286.35/x
  3. Step 3: Cross multiply
    372,287.80x = 558,431.70 × 310,286.35
  4. Step 4: Simplify right side
    372,287.80x = 173,273,733,917.30
  5. Step 5: Solve for x
    x = 173,273,733,917.30/372,287.80
  6. Step 6: Final answer
    x = 465,429.53

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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.