Home / 240,323.64-331,645.10-143,571.44

Finding the Fourth Proportional to 240,323.64, 331,645.10 and 143,571.44

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Solution

The fourth proportional to 240,323.64, 331,645.10 and 143,571.44 is: 198,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,323.64 : 331,645.10 = 143,571.44 : x
  2. Step 2: Convert to fraction form
    240,323.64/331,645.10 = 143,571.44/x
  3. Step 3: Cross multiply
    240,323.64x = 331,645.10 × 143,571.44
  4. Step 4: Simplify right side
    240,323.64x = 47,614,764,575.94
  5. Step 5: Solve for x
    x = 47,614,764,575.94/240,323.64
  6. Step 6: Final answer
    x = 198,127.68

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1.5x scale

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.