Home / 209,231.70-313,544.64-144,249.41

Finding the Fourth Proportional to 209,231.70, 313,544.64 and 144,249.41

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Solution

The fourth proportional to 209,231.70, 313,544.64 and 144,249.41 is: 216,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.70 : 313,544.64 = 144,249.41 : x
  2. Step 2: Convert to fraction form
    209,231.70/313,544.64 = 144,249.41/x
  3. Step 3: Cross multiply
    209,231.70x = 313,544.64 × 144,249.41
  4. Step 4: Simplify right side
    209,231.70x = 45,228,627,760.94
  5. Step 5: Solve for x
    x = 45,228,627,760.94/209,231.70
  6. Step 6: Final answer
    x = 216,165.27

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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.