Home / 307,257.30-424,046.54-171,313.38

Finding the Fourth Proportional to 307,257.30, 424,046.54 and 171,313.38

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Solution

The fourth proportional to 307,257.30, 424,046.54 and 171,313.38 is: 236,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,257.30 : 424,046.54 = 171,313.38 : x
  2. Step 2: Convert to fraction form
    307,257.30/424,046.54 = 171,313.38/x
  3. Step 3: Cross multiply
    307,257.30x = 424,046.54 × 171,313.38
  4. Step 4: Simplify right side
    307,257.30x = 72,644,846,472.99
  5. Step 5: Solve for x
    x = 72,644,846,472.99/307,257.30
  6. Step 6: Final answer
    x = 236,430.01

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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.