Home / 301,344.22-451,964.36-85,218.05

Finding the Fourth Proportional to 301,344.22, 451,964.36 and 85,218.05

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Solution

The fourth proportional to 301,344.22, 451,964.36 and 85,218.05 is: 127,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,344.22 : 451,964.36 = 85,218.05 : x
  2. Step 2: Convert to fraction form
    301,344.22/451,964.36 = 85,218.05/x
  3. Step 3: Cross multiply
    301,344.22x = 451,964.36 × 85,218.05
  4. Step 4: Simplify right side
    301,344.22x = 38,515,521,021.15
  5. Step 5: Solve for x
    x = 38,515,521,021.15/301,344.22
  6. Step 6: Final answer
    x = 127,812.38

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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.