Home / 269,241.84-403,910.78-89,338.08

Finding the Fourth Proportional to 269,241.84, 403,910.78 and 89,338.08

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Solution

The fourth proportional to 269,241.84, 403,910.78 and 89,338.08 is: 134,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,241.84 : 403,910.78 = 89,338.08 : x
  2. Step 2: Convert to fraction form
    269,241.84/403,910.78 = 89,338.08/x
  3. Step 3: Cross multiply
    269,241.84x = 403,910.78 × 89,338.08
  4. Step 4: Simplify right side
    269,241.84x = 36,084,613,576.50
  5. Step 5: Solve for x
    x = 36,084,613,576.50/269,241.84
  6. Step 6: Final answer
    x = 134,023.05

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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.