Home / 331,682.46-457,734.15-188,466.78

Finding the Fourth Proportional to 331,682.46, 457,734.15 and 188,466.78

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Solution

The fourth proportional to 331,682.46, 457,734.15 and 188,466.78 is: 260,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,682.46 : 457,734.15 = 188,466.78 : x
  2. Step 2: Convert to fraction form
    331,682.46/457,734.15 = 188,466.78/x
  3. Step 3: Cross multiply
    331,682.46x = 457,734.15 × 188,466.78
  4. Step 4: Simplify right side
    331,682.46x = 86,267,681,346.54
  5. Step 5: Solve for x
    x = 86,267,681,346.54/331,682.46
  6. Step 6: Final answer
    x = 260,091.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.