Home / 307,755.18-424,723.50-171,815.85

Finding the Fourth Proportional to 307,755.18, 424,723.50 and 171,815.85

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Solution

The fourth proportional to 307,755.18, 424,723.50 and 171,815.85 is: 237,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,755.18 : 424,723.50 = 171,815.85 : x
  2. Step 2: Convert to fraction form
    307,755.18/424,723.50 = 171,815.85/x
  3. Step 3: Cross multiply
    307,755.18x = 424,723.50 × 171,815.85
  4. Step 4: Simplify right side
    307,755.18x = 72,974,229,167.48
  5. Step 5: Solve for x
    x = 72,974,229,167.48/307,755.18
  6. Step 6: Final answer
    x = 237,117.79

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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.