Home / 321,768.40-444,105-185,824.48

Finding the Fourth Proportional to 321,768.40, 444,105 and 185,824.48

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Solution

The fourth proportional to 321,768.40, 444,105 and 185,824.48 is: 256,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,768.40 : 444,105 = 185,824.48 : x
  2. Step 2: Convert to fraction form
    321,768.40/444,105 = 185,824.48/x
  3. Step 3: Cross multiply
    321,768.40x = 444,105 × 185,824.48
  4. Step 4: Simplify right side
    321,768.40x = 82,525,580,690.40
  5. Step 5: Solve for x
    x = 82,525,580,690.40/321,768.40
  6. Step 6: Final answer
    x = 256,475.09

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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.