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Finding the Fourth Proportional to 452,906.94, 679,363.37 and 133,057.49

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Solution

The fourth proportional to 452,906.94, 679,363.37 and 133,057.49 is: 199,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,906.94 : 679,363.37 = 133,057.49 : x
  2. Step 2: Convert to fraction form
    452,906.94/679,363.37 = 133,057.49/x
  3. Step 3: Cross multiply
    452,906.94x = 679,363.37 × 133,057.49
  4. Step 4: Simplify right side
    452,906.94x = 90,394,381,247.00
  5. Step 5: Solve for x
    x = 90,394,381,247.00/452,906.94
  6. Step 6: Final answer
    x = 199,587.10

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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.