Home / 245,204.20-367,806.30-126,911.80

Finding the Fourth Proportional to 245,204.20, 367,806.30 and 126,911.80

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Solution

The fourth proportional to 245,204.20, 367,806.30 and 126,911.80 is: 190,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,204.20 : 367,806.30 = 126,911.80 : x
  2. Step 2: Convert to fraction form
    245,204.20/367,806.30 = 126,911.80/x
  3. Step 3: Cross multiply
    245,204.20x = 367,806.30 × 126,911.80
  4. Step 4: Simplify right side
    245,204.20x = 46,678,959,584.34
  5. Step 5: Solve for x
    x = 46,678,959,584.34/245,204.20
  6. Step 6: Final answer
    x = 190,367.70

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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.