Home / 331,538.30-496,979.40-162,920.60

Finding the Fourth Proportional to 331,538.30, 496,979.40 and 162,920.60

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Solution

The fourth proportional to 331,538.30, 496,979.40 and 162,920.60 is: 244,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,538.30 : 496,979.40 = 162,920.60 : x
  2. Step 2: Convert to fraction form
    331,538.30/496,979.40 = 162,920.60/x
  3. Step 3: Cross multiply
    331,538.30x = 496,979.40 × 162,920.60
  4. Step 4: Simplify right side
    331,538.30x = 80,968,182,035.64
  5. Step 5: Solve for x
    x = 80,968,182,035.64/331,538.30
  6. Step 6: Final answer
    x = 244,219.69

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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.