Home / 307,789.88-424,757.18-193,073.36

Finding the Fourth Proportional to 307,789.88, 424,757.18 and 193,073.36

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Solution

The fourth proportional to 307,789.88, 424,757.18 and 193,073.36 is: 266,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,789.88 : 424,757.18 = 193,073.36 : x
  2. Step 2: Convert to fraction form
    307,789.88/424,757.18 = 193,073.36/x
  3. Step 3: Cross multiply
    307,789.88x = 424,757.18 × 193,073.36
  4. Step 4: Simplify right side
    307,789.88x = 82,009,294,285.62
  5. Step 5: Solve for x
    x = 82,009,294,285.62/307,789.88
  6. Step 6: Final answer
    x = 266,445.72

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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.