Home / 208,847.40-312,579.90-161,845.80

Finding the Fourth Proportional to 208,847.40, 312,579.90 and 161,845.80

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Solution

The fourth proportional to 208,847.40, 312,579.90 and 161,845.80 is: 242,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,847.40 : 312,579.90 = 161,845.80 : x
  2. Step 2: Convert to fraction form
    208,847.40/312,579.90 = 161,845.80/x
  3. Step 3: Cross multiply
    208,847.40x = 312,579.90 × 161,845.80
  4. Step 4: Simplify right side
    208,847.40x = 50,589,743,979.42
  5. Step 5: Solve for x
    x = 50,589,743,979.42/208,847.40
  6. Step 6: Final answer
    x = 242,233.06

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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.