Home / 345,845.90-518,822.49-146,167.13

Finding the Fourth Proportional to 345,845.90, 518,822.49 and 146,167.13

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Solution

The fourth proportional to 345,845.90, 518,822.49 and 146,167.13 is: 219,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,845.90 : 518,822.49 = 146,167.13 : x
  2. Step 2: Convert to fraction form
    345,845.90/518,822.49 = 146,167.13/x
  3. Step 3: Cross multiply
    345,845.90x = 518,822.49 × 146,167.13
  4. Step 4: Simplify right side
    345,845.90x = 75,834,796,187.94
  5. Step 5: Solve for x
    x = 75,834,796,187.94/345,845.90
  6. Step 6: Final answer
    x = 219,273.37

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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.