Home / 267,815.67-401,443.26-90,261.37

Finding the Fourth Proportional to 267,815.67, 401,443.26 and 90,261.37

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Solution

The fourth proportional to 267,815.67, 401,443.26 and 90,261.37 is: 135,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,815.67 : 401,443.26 = 90,261.37 : x
  2. Step 2: Convert to fraction form
    267,815.67/401,443.26 = 90,261.37/x
  3. Step 3: Cross multiply
    267,815.67x = 401,443.26 × 90,261.37
  4. Step 4: Simplify right side
    267,815.67x = 36,234,818,624.87
  5. Step 5: Solve for x
    x = 36,234,818,624.87/267,815.67
  6. Step 6: Final answer
    x = 135,297.60

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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.