Home / 276,266.94-381,462.93-215,732.58

Finding the Fourth Proportional to 276,266.94, 381,462.93 and 215,732.58

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Solution

The fourth proportional to 276,266.94, 381,462.93 and 215,732.58 is: 297,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,266.94 : 381,462.93 = 215,732.58 : x
  2. Step 2: Convert to fraction form
    276,266.94/381,462.93 = 215,732.58/x
  3. Step 3: Cross multiply
    276,266.94x = 381,462.93 × 215,732.58
  4. Step 4: Simplify right side
    276,266.94x = 82,293,982,063.26
  5. Step 5: Solve for x
    x = 82,293,982,063.26/276,266.94
  6. Step 6: Final answer
    x = 297,878.50

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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.