Home / 331,282.40-496,923.60-314,175.20

Finding the Fourth Proportional to 331,282.40, 496,923.60 and 314,175.20

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Solution

The fourth proportional to 331,282.40, 496,923.60 and 314,175.20 is: 471,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,282.40 : 496,923.60 = 314,175.20 : x
  2. Step 2: Convert to fraction form
    331,282.40/496,923.60 = 314,175.20/x
  3. Step 3: Cross multiply
    331,282.40x = 496,923.60 × 314,175.20
  4. Step 4: Simplify right side
    331,282.40x = 156,121,071,414.72
  5. Step 5: Solve for x
    x = 156,121,071,414.72/331,282.40
  6. Step 6: Final answer
    x = 471,262.80

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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.