Home / 208,933.60-313,400.40-199,832.80

Finding the Fourth Proportional to 208,933.60, 313,400.40 and 199,832.80

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Solution

The fourth proportional to 208,933.60, 313,400.40 and 199,832.80 is: 299,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,933.60 : 313,400.40 = 199,832.80 : x
  2. Step 2: Convert to fraction form
    208,933.60/313,400.40 = 199,832.80/x
  3. Step 3: Cross multiply
    208,933.60x = 313,400.40 × 199,832.80
  4. Step 4: Simplify right side
    208,933.60x = 62,627,679,453.12
  5. Step 5: Solve for x
    x = 62,627,679,453.12/208,933.60
  6. Step 6: Final answer
    x = 299,749.20

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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.