Home / 345,796.20-518,569.50-146,132.02

Finding the Fourth Proportional to 345,796.20, 518,569.50 and 146,132.02

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Solution

The fourth proportional to 345,796.20, 518,569.50 and 146,132.02 is: 219,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,796.20 : 518,569.50 = 146,132.02 : x
  2. Step 2: Convert to fraction form
    345,796.20/518,569.50 = 146,132.02/x
  3. Step 3: Cross multiply
    345,796.20x = 518,569.50 × 146,132.02
  4. Step 4: Simplify right side
    345,796.20x = 75,779,608,545.39
  5. Step 5: Solve for x
    x = 75,779,608,545.39/345,796.20
  6. Step 6: Final answer
    x = 219,145.29

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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.