Home / 331,257.30-496,894.08-120,895.20

Finding the Fourth Proportional to 331,257.30, 496,894.08 and 120,895.20

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Solution

The fourth proportional to 331,257.30, 496,894.08 and 120,895.20 is: 181,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,257.30 : 496,894.08 = 120,895.20 : x
  2. Step 2: Convert to fraction form
    331,257.30/496,894.08 = 120,895.20/x
  3. Step 3: Cross multiply
    331,257.30x = 496,894.08 × 120,895.20
  4. Step 4: Simplify right side
    331,257.30x = 60,072,109,180.42
  5. Step 5: Solve for x
    x = 60,072,109,180.42/331,257.30
  6. Step 6: Final answer
    x = 181,345.77

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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.