Home / 317,793.20-438,557.78-172,601.82

Finding the Fourth Proportional to 317,793.20, 438,557.78 and 172,601.82

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Solution

The fourth proportional to 317,793.20, 438,557.78 and 172,601.82 is: 238,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,793.20 : 438,557.78 = 172,601.82 : x
  2. Step 2: Convert to fraction form
    317,793.20/438,557.78 = 172,601.82/x
  3. Step 3: Cross multiply
    317,793.20x = 438,557.78 × 172,601.82
  4. Step 4: Simplify right side
    317,793.20x = 75,695,868,810.37
  5. Step 5: Solve for x
    x = 75,695,868,810.37/317,793.20
  6. Step 6: Final answer
    x = 238,192.22

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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.