Home / 262,558.30-393,740.25-206,507.38

Finding the Fourth Proportional to 262,558.30, 393,740.25 and 206,507.38

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Solution

The fourth proportional to 262,558.30, 393,740.25 and 206,507.38 is: 309,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,558.30 : 393,740.25 = 206,507.38 : x
  2. Step 2: Convert to fraction form
    262,558.30/393,740.25 = 206,507.38/x
  3. Step 3: Cross multiply
    262,558.30x = 393,740.25 × 206,507.38
  4. Step 4: Simplify right side
    262,558.30x = 81,310,267,428.05
  5. Step 5: Solve for x
    x = 81,310,267,428.05/262,558.30
  6. Step 6: Final answer
    x = 309,684.62

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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.