Home / 367,892.28-551,392.02-261,107.64

Finding the Fourth Proportional to 367,892.28, 551,392.02 and 261,107.64

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Solution

The fourth proportional to 367,892.28, 551,392.02 and 261,107.64 is: 391,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,892.28 : 551,392.02 = 261,107.64 : x
  2. Step 2: Convert to fraction form
    367,892.28/551,392.02 = 261,107.64/x
  3. Step 3: Cross multiply
    367,892.28x = 551,392.02 × 261,107.64
  4. Step 4: Simplify right side
    367,892.28x = 143,972,669,057.03
  5. Step 5: Solve for x
    x = 143,972,669,057.03/367,892.28
  6. Step 6: Final answer
    x = 391,344.63

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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.