Home / 301,288.46-451,935.34-76,649.13

Finding the Fourth Proportional to 301,288.46, 451,935.34 and 76,649.13

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Solution

The fourth proportional to 301,288.46, 451,935.34 and 76,649.13 is: 114,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,288.46 : 451,935.34 = 76,649.13 : x
  2. Step 2: Convert to fraction form
    301,288.46/451,935.34 = 76,649.13/x
  3. Step 3: Cross multiply
    301,288.46x = 451,935.34 × 76,649.13
  4. Step 4: Simplify right side
    301,288.46x = 34,640,450,627.25
  5. Step 5: Solve for x
    x = 34,640,450,627.25/301,288.46
  6. Step 6: Final answer
    x = 114,974.37

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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.