Home / 309,180.26-462,983.01-203,679.38

Finding the Fourth Proportional to 309,180.26, 462,983.01 and 203,679.38

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Solution

The fourth proportional to 309,180.26, 462,983.01 and 203,679.38 is: 305,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,180.26 : 462,983.01 = 203,679.38 : x
  2. Step 2: Convert to fraction form
    309,180.26/462,983.01 = 203,679.38/x
  3. Step 3: Cross multiply
    309,180.26x = 462,983.01 × 203,679.38
  4. Step 4: Simplify right side
    309,180.26x = 94,300,090,112.42
  5. Step 5: Solve for x
    x = 94,300,090,112.42/309,180.26
  6. Step 6: Final answer
    x = 305,000.36

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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.