Home / 262,599.10-393,906.74-102,668.65

Finding the Fourth Proportional to 262,599.10, 393,906.74 and 102,668.65

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Solution

The fourth proportional to 262,599.10, 393,906.74 and 102,668.65 is: 154,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,599.10 : 393,906.74 = 102,668.65 : x
  2. Step 2: Convert to fraction form
    262,599.10/393,906.74 = 102,668.65/x
  3. Step 3: Cross multiply
    262,599.10x = 393,906.74 × 102,668.65
  4. Step 4: Simplify right side
    262,599.10x = 40,441,872,708.36
  5. Step 5: Solve for x
    x = 40,441,872,708.36/262,599.10
  6. Step 6: Final answer
    x = 154,006.14

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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.