Home / 397,115.28-595,671.76-160,455.20

Finding the Fourth Proportional to 397,115.28, 595,671.76 and 160,455.20

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Solution

The fourth proportional to 397,115.28, 595,671.76 and 160,455.20 is: 240,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,115.28 : 595,671.76 = 160,455.20 : x
  2. Step 2: Convert to fraction form
    397,115.28/595,671.76 = 160,455.20/x
  3. Step 3: Cross multiply
    397,115.28x = 595,671.76 × 160,455.20
  4. Step 4: Simplify right side
    397,115.28x = 95,578,631,385.15
  5. Step 5: Solve for x
    x = 95,578,631,385.15/397,115.28
  6. Step 6: Final answer
    x = 240,682.33

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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.