Home / 307,909.26-424,890.54-171,932.58

Finding the Fourth Proportional to 307,909.26, 424,890.54 and 171,932.58

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Solution

The fourth proportional to 307,909.26, 424,890.54 and 171,932.58 is: 237,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,909.26 : 424,890.54 = 171,932.58 : x
  2. Step 2: Convert to fraction form
    307,909.26/424,890.54 = 171,932.58/x
  3. Step 3: Cross multiply
    307,909.26x = 424,890.54 × 171,932.58
  4. Step 4: Simplify right side
    307,909.26x = 73,052,526,759.79
  5. Step 5: Solve for x
    x = 73,052,526,759.79/307,909.26
  6. Step 6: Final answer
    x = 237,253.43

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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.