Home / 321,965.12-444,289.63-178,713.88

Finding the Fourth Proportional to 321,965.12, 444,289.63 and 178,713.88

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Solution

The fourth proportional to 321,965.12, 444,289.63 and 178,713.88 is: 246,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,965.12 : 444,289.63 = 178,713.88 : x
  2. Step 2: Convert to fraction form
    321,965.12/444,289.63 = 178,713.88/x
  3. Step 3: Cross multiply
    321,965.12x = 444,289.63 × 178,713.88
  4. Step 4: Simplify right side
    321,965.12x = 79,400,723,621.06
  5. Step 5: Solve for x
    x = 79,400,723,621.06/321,965.12
  6. Step 6: Final answer
    x = 246,612.81

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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.