Home / 208,977.37-313,471.96-51,205.64

Finding the Fourth Proportional to 208,977.37, 313,471.96 and 51,205.64

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Solution

The fourth proportional to 208,977.37, 313,471.96 and 51,205.64 is: 76,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,977.37 : 313,471.96 = 51,205.64 : x
  2. Step 2: Convert to fraction form
    208,977.37/313,471.96 = 51,205.64/x
  3. Step 3: Cross multiply
    208,977.37x = 313,471.96 × 51,205.64
  4. Step 4: Simplify right side
    208,977.37x = 16,051,530,638.48
  5. Step 5: Solve for x
    x = 16,051,530,638.48/208,977.37
  6. Step 6: Final answer
    x = 76,809.90

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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.