Home / 262,886.20-394,171.35-102,771.43

Finding the Fourth Proportional to 262,886.20, 394,171.35 and 102,771.43

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Solution

The fourth proportional to 262,886.20, 394,171.35 and 102,771.43 is: 154,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,886.20 : 394,171.35 = 102,771.43 : x
  2. Step 2: Convert to fraction form
    262,886.20/394,171.35 = 102,771.43/x
  3. Step 3: Cross multiply
    262,886.20x = 394,171.35 × 102,771.43
  4. Step 4: Simplify right side
    262,886.20x = 40,509,552,319.10
  5. Step 5: Solve for x
    x = 40,509,552,319.10/262,886.20
  6. Step 6: Final answer
    x = 154,095.39

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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.