Home / 301,144.26-451,716.03-90,782.19

Finding the Fourth Proportional to 301,144.26, 451,716.03 and 90,782.19

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Solution

The fourth proportional to 301,144.26, 451,716.03 and 90,782.19 is: 136,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,144.26 : 451,716.03 = 90,782.19 : x
  2. Step 2: Convert to fraction form
    301,144.26/451,716.03 = 90,782.19/x
  3. Step 3: Cross multiply
    301,144.26x = 451,716.03 × 90,782.19
  4. Step 4: Simplify right side
    301,144.26x = 41,007,770,461.51
  5. Step 5: Solve for x
    x = 41,007,770,461.51/301,144.26
  6. Step 6: Final answer
    x = 136,173.18

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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.