Home / 321,600.24-443,736.80-185,605.36

Finding the Fourth Proportional to 321,600.24, 443,736.80 and 185,605.36

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Solution

The fourth proportional to 321,600.24, 443,736.80 and 185,605.36 is: 256,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,600.24 : 443,736.80 = 185,605.36 : x
  2. Step 2: Convert to fraction form
    321,600.24/443,736.80 = 185,605.36/x
  3. Step 3: Cross multiply
    321,600.24x = 443,736.80 × 185,605.36
  4. Step 4: Simplify right side
    321,600.24x = 82,359,928,509.25
  5. Step 5: Solve for x
    x = 82,359,928,509.25/321,600.24
  6. Step 6: Final answer
    x = 256,094.11

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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.