Home / 326,188.62-449,949.12-205,137.90

Finding the Fourth Proportional to 326,188.62, 449,949.12 and 205,137.90

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Solution

The fourth proportional to 326,188.62, 449,949.12 and 205,137.90 is: 282,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,188.62 : 449,949.12 = 205,137.90 : x
  2. Step 2: Convert to fraction form
    326,188.62/449,949.12 = 205,137.90/x
  3. Step 3: Cross multiply
    326,188.62x = 449,949.12 × 205,137.90
  4. Step 4: Simplify right side
    326,188.62x = 92,301,617,583.65
  5. Step 5: Solve for x
    x = 92,301,617,583.65/326,188.62
  6. Step 6: Final answer
    x = 282,970.07

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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.