Home / 276,947.46-415,421.19-66,585.41

Finding the Fourth Proportional to 276,947.46, 415,421.19 and 66,585.41

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Solution

The fourth proportional to 276,947.46, 415,421.19 and 66,585.41 is: 99,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,947.46 : 415,421.19 = 66,585.41 : x
  2. Step 2: Convert to fraction form
    276,947.46/415,421.19 = 66,585.41/x
  3. Step 3: Cross multiply
    276,947.46x = 415,421.19 × 66,585.41
  4. Step 4: Simplify right side
    276,947.46x = 27,660,988,181.73
  5. Step 5: Solve for x
    x = 27,660,988,181.73/276,947.46
  6. Step 6: Final answer
    x = 99,878.11

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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.