Home / 307,857.24-424,869.26-171,917.46

Finding the Fourth Proportional to 307,857.24, 424,869.26 and 171,917.46

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Solution

The fourth proportional to 307,857.24, 424,869.26 and 171,917.46 is: 237,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,857.24 : 424,869.26 = 171,917.46 : x
  2. Step 2: Convert to fraction form
    307,857.24/424,869.26 = 171,917.46/x
  3. Step 3: Cross multiply
    307,857.24x = 424,869.26 × 171,917.46
  4. Step 4: Simplify right side
    307,857.24x = 73,042,442,089.52
  5. Step 5: Solve for x
    x = 73,042,442,089.52/307,857.24
  6. Step 6: Final answer
    x = 237,260.76

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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.