Home / 361,916.37-542,521.55-172,325.79

Finding the Fourth Proportional to 361,916.37, 542,521.55 and 172,325.79

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Solution

The fourth proportional to 361,916.37, 542,521.55 and 172,325.79 is: 258,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,916.37 : 542,521.55 = 172,325.79 : x
  2. Step 2: Convert to fraction form
    361,916.37/542,521.55 = 172,325.79/x
  3. Step 3: Cross multiply
    361,916.37x = 542,521.55 × 172,325.79
  4. Step 4: Simplify right side
    361,916.37x = 93,490,456,010.68
  5. Step 5: Solve for x
    x = 93,490,456,010.68/361,916.37
  6. Step 6: Final answer
    x = 258,320.61

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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.