Home / 398,228.10-597,247.83-113,909.90

Finding the Fourth Proportional to 398,228.10, 597,247.83 and 113,909.90

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Solution

The fourth proportional to 398,228.10, 597,247.83 and 113,909.90 is: 170,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,228.10 : 597,247.83 = 113,909.90 : x
  2. Step 2: Convert to fraction form
    398,228.10/597,247.83 = 113,909.90/x
  3. Step 3: Cross multiply
    398,228.10x = 597,247.83 × 113,909.90
  4. Step 4: Simplify right side
    398,228.10x = 68,032,437,604.28
  5. Step 5: Solve for x
    x = 68,032,437,604.28/398,228.10
  6. Step 6: Final answer
    x = 170,837.86

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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.