Home / 307,769.67-424,729.26-193,053.15

Finding the Fourth Proportional to 307,769.67, 424,729.26 and 193,053.15

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Solution

The fourth proportional to 307,769.67, 424,729.26 and 193,053.15 is: 266,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,769.67 : 424,729.26 = 193,053.15 : x
  2. Step 2: Convert to fraction form
    307,769.67/424,729.26 = 193,053.15/x
  3. Step 3: Cross multiply
    307,769.67x = 424,729.26 × 193,053.15
  4. Step 4: Simplify right side
    307,769.67x = 81,995,321,540.17
  5. Step 5: Solve for x
    x = 81,995,321,540.17/307,769.67
  6. Step 6: Final answer
    x = 266,417.81

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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.