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Finding the Fourth Proportional to 276,841.31, 382,089.89 and 264,219.71

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Solution

The fourth proportional to 276,841.31, 382,089.89 and 264,219.71 is: 364,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,841.31 : 382,089.89 = 264,219.71 : x
  2. Step 2: Convert to fraction form
    276,841.31/382,089.89 = 264,219.71/x
  3. Step 3: Cross multiply
    276,841.31x = 382,089.89 × 264,219.71
  4. Step 4: Simplify right side
    276,841.31x = 100,955,678,679.83
  5. Step 5: Solve for x
    x = 100,955,678,679.83/276,841.31
  6. Step 6: Final answer
    x = 364,669.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.