Home / 215,285.78-322,862.99-173,065.74

Finding the Fourth Proportional to 215,285.78, 322,862.99 and 173,065.74

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Solution

The fourth proportional to 215,285.78, 322,862.99 and 173,065.74 is: 259,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,285.78 : 322,862.99 = 173,065.74 : x
  2. Step 2: Convert to fraction form
    215,285.78/322,862.99 = 173,065.74/x
  3. Step 3: Cross multiply
    215,285.78x = 322,862.99 × 173,065.74
  4. Step 4: Simplify right side
    215,285.78x = 55,876,521,417.63
  5. Step 5: Solve for x
    x = 55,876,521,417.63/215,285.78
  6. Step 6: Final answer
    x = 259,545.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.