Home / 227,020.50-313,288.38-126,418.50

Finding the Fourth Proportional to 227,020.50, 313,288.38 and 126,418.50

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Solution

The fourth proportional to 227,020.50, 313,288.38 and 126,418.50 is: 174,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,020.50 : 313,288.38 = 126,418.50 : x
  2. Step 2: Convert to fraction form
    227,020.50/313,288.38 = 126,418.50/x
  3. Step 3: Cross multiply
    227,020.50x = 313,288.38 × 126,418.50
  4. Step 4: Simplify right side
    227,020.50x = 39,605,447,067.03
  5. Step 5: Solve for x
    x = 39,605,447,067.03/227,020.50
  6. Step 6: Final answer
    x = 174,457.58

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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.