Home / 267,828.09-401,461.80-90,273.73

Finding the Fourth Proportional to 267,828.09, 401,461.80 and 90,273.73

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Solution

The fourth proportional to 267,828.09, 401,461.80 and 90,273.73 is: 135,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,828.09 : 401,461.80 = 90,273.73 : x
  2. Step 2: Convert to fraction form
    267,828.09/401,461.80 = 90,273.73/x
  3. Step 3: Cross multiply
    267,828.09x = 401,461.80 × 90,273.73
  4. Step 4: Simplify right side
    267,828.09x = 36,241,452,131.21
  5. Step 5: Solve for x
    x = 36,241,452,131.21/267,828.09
  6. Step 6: Final answer
    x = 135,316.10

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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.