Home / 320,891.28-481,384.44-301,209.36

Finding the Fourth Proportional to 320,891.28, 481,384.44 and 301,209.36

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Solution

The fourth proportional to 320,891.28, 481,384.44 and 301,209.36 is: 451,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,891.28 : 481,384.44 = 301,209.36 : x
  2. Step 2: Convert to fraction form
    320,891.28/481,384.44 = 301,209.36/x
  3. Step 3: Cross multiply
    320,891.28x = 481,384.44 × 301,209.36
  4. Step 4: Simplify right side
    320,891.28x = 144,997,499,086.36
  5. Step 5: Solve for x
    x = 144,997,499,086.36/320,891.28
  6. Step 6: Final answer
    x = 451,858.65

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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.