Home / 300,491.75-450,735.93-75,851.26

Finding the Fourth Proportional to 300,491.75, 450,735.93 and 75,851.26

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Solution

The fourth proportional to 300,491.75, 450,735.93 and 75,851.26 is: 113,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,491.75 : 450,735.93 = 75,851.26 : x
  2. Step 2: Convert to fraction form
    300,491.75/450,735.93 = 75,851.26/x
  3. Step 3: Cross multiply
    300,491.75x = 450,735.93 × 75,851.26
  4. Step 4: Simplify right side
    300,491.75x = 34,188,887,090.93
  5. Step 5: Solve for x
    x = 34,188,887,090.93/300,491.75
  6. Step 6: Final answer
    x = 113,776.46

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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.