Home / 301,325.43-451,975.19-90,957.09

Finding the Fourth Proportional to 301,325.43, 451,975.19 and 90,957.09

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Solution

The fourth proportional to 301,325.43, 451,975.19 and 90,957.09 is: 136,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,325.43 : 451,975.19 = 90,957.09 : x
  2. Step 2: Convert to fraction form
    301,325.43/451,975.19 = 90,957.09/x
  3. Step 3: Cross multiply
    301,325.43x = 451,975.19 × 90,957.09
  4. Step 4: Simplify right side
    301,325.43x = 41,110,349,786.35
  5. Step 5: Solve for x
    x = 41,110,349,786.35/301,325.43
  6. Step 6: Final answer
    x = 136,431.73

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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.