Home / 251,639.37-347,147.89-149,606.96

Finding the Fourth Proportional to 251,639.37, 347,147.89 and 149,606.96

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Solution

The fourth proportional to 251,639.37, 347,147.89 and 149,606.96 is: 206,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,639.37 : 347,147.89 = 149,606.96 : x
  2. Step 2: Convert to fraction form
    251,639.37/347,147.89 = 149,606.96/x
  3. Step 3: Cross multiply
    251,639.37x = 347,147.89 × 149,606.96
  4. Step 4: Simplify right side
    251,639.37x = 51,935,738,383.56
  5. Step 5: Solve for x
    x = 51,935,738,383.56/251,639.37
  6. Step 6: Final answer
    x = 206,389.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.