Home / 208,057.72-312,086.62-50,286.14

Finding the Fourth Proportional to 208,057.72, 312,086.62 and 50,286.14

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Solution

The fourth proportional to 208,057.72, 312,086.62 and 50,286.14 is: 75,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,057.72 : 312,086.62 = 50,286.14 : x
  2. Step 2: Convert to fraction form
    208,057.72/312,086.62 = 50,286.14/x
  3. Step 3: Cross multiply
    208,057.72x = 312,086.62 × 50,286.14
  4. Step 4: Simplify right side
    208,057.72x = 15,693,631,465.45
  5. Step 5: Solve for x
    x = 15,693,631,465.45/208,057.72
  6. Step 6: Final answer
    x = 75,429.22

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1.5x scale

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.