Home / 208,351.06-312,524.31-50,579.51

Finding the Fourth Proportional to 208,351.06, 312,524.31 and 50,579.51

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Solution

The fourth proportional to 208,351.06, 312,524.31 and 50,579.51 is: 75,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,351.06 : 312,524.31 = 50,579.51 : x
  2. Step 2: Convert to fraction form
    208,351.06/312,524.31 = 50,579.51/x
  3. Step 3: Cross multiply
    208,351.06x = 312,524.31 × 50,579.51
  4. Step 4: Simplify right side
    208,351.06x = 15,807,326,462.89
  5. Step 5: Solve for x
    x = 15,807,326,462.89/208,351.06
  6. Step 6: Final answer
    x = 75,868.71

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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.