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Finding the Fourth Proportional to 331,804.80, 497,318.40 and 248,601.60

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Solution

The fourth proportional to 331,804.80, 497,318.40 and 248,601.60 is: 372,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,804.80 : 497,318.40 = 248,601.60 : x
  2. Step 2: Convert to fraction form
    331,804.80/497,318.40 = 248,601.60/x
  3. Step 3: Cross multiply
    331,804.80x = 497,318.40 × 248,601.60
  4. Step 4: Simplify right side
    331,804.80x = 123,634,149,949.44
  5. Step 5: Solve for x
    x = 123,634,149,949.44/331,804.80
  6. Step 6: Final answer
    x = 372,611.10

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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.