Home / 267,730.11-401,595.17-90,222.26

Finding the Fourth Proportional to 267,730.11, 401,595.17 and 90,222.26

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Solution

The fourth proportional to 267,730.11, 401,595.17 and 90,222.26 is: 135,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,730.11 : 401,595.17 = 90,222.26 : x
  2. Step 2: Convert to fraction form
    267,730.11/401,595.17 = 90,222.26/x
  3. Step 3: Cross multiply
    267,730.11x = 401,595.17 × 90,222.26
  4. Step 4: Simplify right side
    267,730.11x = 36,232,821,383.40
  5. Step 5: Solve for x
    x = 36,232,821,383.40/267,730.11
  6. Step 6: Final answer
    x = 135,333.38

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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.