Home / 331,288.40-496,932.60-109,672.40

Finding the Fourth Proportional to 331,288.40, 496,932.60 and 109,672.40

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Solution

The fourth proportional to 331,288.40, 496,932.60 and 109,672.40 is: 164,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,288.40 : 496,932.60 = 109,672.40 : x
  2. Step 2: Convert to fraction form
    331,288.40/496,932.60 = 109,672.40/x
  3. Step 3: Cross multiply
    331,288.40x = 496,932.60 × 109,672.40
  4. Step 4: Simplify right side
    331,288.40x = 54,499,790,880.24
  5. Step 5: Solve for x
    x = 54,499,790,880.24/331,288.40
  6. Step 6: Final answer
    x = 164,508.60

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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.