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Finding the Fourth Proportional to 262,882.96, 394,357.20 and 102,938.24

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Solution

The fourth proportional to 262,882.96, 394,357.20 and 102,938.24 is: 154,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,882.96 : 394,357.20 = 102,938.24 : x
  2. Step 2: Convert to fraction form
    262,882.96/394,357.20 = 102,938.24/x
  3. Step 3: Cross multiply
    262,882.96x = 394,357.20 × 102,938.24
  4. Step 4: Simplify right side
    262,882.96x = 40,594,436,099.33
  5. Step 5: Solve for x
    x = 40,594,436,099.33/262,882.96
  6. Step 6: Final answer
    x = 154,420.19

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1.5x scale

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.