Home / 345,832.04-518,793.42-135,442.64

Finding the Fourth Proportional to 345,832.04, 518,793.42 and 135,442.64

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Solution

The fourth proportional to 345,832.04, 518,793.42 and 135,442.64 is: 203,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,832.04 : 518,793.42 = 135,442.64 : x
  2. Step 2: Convert to fraction form
    345,832.04/518,793.42 = 135,442.64/x
  3. Step 3: Cross multiply
    345,832.04x = 518,793.42 × 135,442.64
  4. Step 4: Simplify right side
    345,832.04x = 70,266,747,825.46
  5. Step 5: Solve for x
    x = 70,266,747,825.46/345,832.04
  6. Step 6: Final answer
    x = 203,181.72

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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.