Home / 300,913.45-451,369.26-76,273.25

Finding the Fourth Proportional to 300,913.45, 451,369.26 and 76,273.25

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Solution

The fourth proportional to 300,913.45, 451,369.26 and 76,273.25 is: 114,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,913.45 : 451,369.26 = 76,273.25 : x
  2. Step 2: Convert to fraction form
    300,913.45/451,369.26 = 76,273.25/x
  3. Step 3: Cross multiply
    300,913.45x = 451,369.26 × 76,273.25
  4. Step 4: Simplify right side
    300,913.45x = 34,427,398,153.45
  5. Step 5: Solve for x
    x = 34,427,398,153.45/300,913.45
  6. Step 6: Final answer
    x = 114,409.64

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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.