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Finding the Fourth Proportional to 251,251.60, 376,802.43 and 82,740.82

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Solution

The fourth proportional to 251,251.60, 376,802.43 and 82,740.82 is: 124,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,251.60 : 376,802.43 = 82,740.82 : x
  2. Step 2: Convert to fraction form
    251,251.60/376,802.43 = 82,740.82/x
  3. Step 3: Cross multiply
    251,251.60x = 376,802.43 × 82,740.82
  4. Step 4: Simplify right side
    251,251.60x = 31,176,942,036.19
  5. Step 5: Solve for x
    x = 31,176,942,036.19/251,251.60
  6. Step 6: Final answer
    x = 124,086.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.