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Finding the Fourth Proportional to 251,036, 376,600.40 and 82,565.60

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Solution

The fourth proportional to 251,036, 376,600.40 and 82,565.60 is: 123,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,036 : 376,600.40 = 82,565.60 : x
  2. Step 2: Convert to fraction form
    251,036/376,600.40 = 82,565.60/x
  3. Step 3: Cross multiply
    251,036x = 376,600.40 × 82,565.60
  4. Step 4: Simplify right side
    251,036x = 31,094,237,986.24
  5. Step 5: Solve for x
    x = 31,094,237,986.24/251,036
  6. Step 6: Final answer
    x = 123,863.66

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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.