Home / 208,058.22-312,087.37-50,286.64

Finding the Fourth Proportional to 208,058.22, 312,087.37 and 50,286.64

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Solution

The fourth proportional to 208,058.22, 312,087.37 and 50,286.64 is: 75,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,058.22 : 312,087.37 = 50,286.64 : x
  2. Step 2: Convert to fraction form
    208,058.22/312,087.37 = 50,286.64/x
  3. Step 3: Cross multiply
    208,058.22x = 312,087.37 × 50,286.64
  4. Step 4: Simplify right side
    208,058.22x = 15,693,825,223.74
  5. Step 5: Solve for x
    x = 15,693,825,223.74/208,058.22
  6. Step 6: Final answer
    x = 75,429.97

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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.