Home / 456,286.91-684,446.25-156,765.31

Finding the Fourth Proportional to 456,286.91, 684,446.25 and 156,765.31

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Solution

The fourth proportional to 456,286.91, 684,446.25 and 156,765.31 is: 235,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,286.91 : 684,446.25 = 156,765.31 : x
  2. Step 2: Convert to fraction form
    456,286.91/684,446.25 = 156,765.31/x
  3. Step 3: Cross multiply
    456,286.91x = 684,446.25 × 156,765.31
  4. Step 4: Simplify right side
    456,286.91x = 107,297,427,436.34
  5. Step 5: Solve for x
    x = 107,297,427,436.34/456,286.91
  6. Step 6: Final answer
    x = 235,153.42

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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.