Home / 262,557.30-393,738.75-206,506.38

Finding the Fourth Proportional to 262,557.30, 393,738.75 and 206,506.38

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Solution

The fourth proportional to 262,557.30, 393,738.75 and 206,506.38 is: 309,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,557.30 : 393,738.75 = 206,506.38 : x
  2. Step 2: Convert to fraction form
    262,557.30/393,738.75 = 206,506.38/x
  3. Step 3: Cross multiply
    262,557.30x = 393,738.75 × 206,506.38
  4. Step 4: Simplify right side
    262,557.30x = 81,309,563,928.23
  5. Step 5: Solve for x
    x = 81,309,563,928.23/262,557.30
  6. Step 6: Final answer
    x = 309,683.12

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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.