Home / 345,578.35-518,012.07-132,296.05

Finding the Fourth Proportional to 345,578.35, 518,012.07 and 132,296.05

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Solution

The fourth proportional to 345,578.35, 518,012.07 and 132,296.05 is: 198,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,578.35 : 518,012.07 = 132,296.05 : x
  2. Step 2: Convert to fraction form
    345,578.35/518,012.07 = 132,296.05/x
  3. Step 3: Cross multiply
    345,578.35x = 518,012.07 × 132,296.05
  4. Step 4: Simplify right side
    345,578.35x = 68,530,950,713.32
  5. Step 5: Solve for x
    x = 68,530,950,713.32/345,578.35
  6. Step 6: Final answer
    x = 198,308.00

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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.