Home / 392,313.48-588,466.11-126,074.25

Finding the Fourth Proportional to 392,313.48, 588,466.11 and 126,074.25

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Solution

The fourth proportional to 392,313.48, 588,466.11 and 126,074.25 is: 189,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,313.48 : 588,466.11 = 126,074.25 : x
  2. Step 2: Convert to fraction form
    392,313.48/588,466.11 = 126,074.25/x
  3. Step 3: Cross multiply
    392,313.48x = 588,466.11 × 126,074.25
  4. Step 4: Simplify right side
    392,313.48x = 74,190,422,286.39
  5. Step 5: Solve for x
    x = 74,190,422,286.39/392,313.48
  6. Step 6: Final answer
    x = 189,110.05

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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.