Home / 392,191.11-588,289.25-107,911.69

Finding the Fourth Proportional to 392,191.11, 588,289.25 and 107,911.69

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Solution

The fourth proportional to 392,191.11, 588,289.25 and 107,911.69 is: 161,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,191.11 : 588,289.25 = 107,911.69 : x
  2. Step 2: Convert to fraction form
    392,191.11/588,289.25 = 107,911.69/x
  3. Step 3: Cross multiply
    392,191.11x = 588,289.25 × 107,911.69
  4. Step 4: Simplify right side
    392,191.11x = 63,483,285,975.39
  5. Step 5: Solve for x
    x = 63,483,285,975.39/392,191.11
  6. Step 6: Final answer
    x = 161,868.24

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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.