Home / 208,239.39-312,356.34-50,469.21

Finding the Fourth Proportional to 208,239.39, 312,356.34 and 50,469.21

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Solution

The fourth proportional to 208,239.39, 312,356.34 and 50,469.21 is: 75,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,239.39 : 312,356.34 = 50,469.21 : x
  2. Step 2: Convert to fraction form
    208,239.39/312,356.34 = 50,469.21/x
  3. Step 3: Cross multiply
    208,239.39x = 312,356.34 × 50,469.21
  4. Step 4: Simplify right side
    208,239.39x = 15,764,377,718.29
  5. Step 5: Solve for x
    x = 15,764,377,718.29/208,239.39
  6. Step 6: Final answer
    x = 75,703.15

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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.