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Finding the Fourth Proportional to 225,455.88, 338,173.29 and 92,303.22

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Solution

The fourth proportional to 225,455.88, 338,173.29 and 92,303.22 is: 138,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,455.88 : 338,173.29 = 92,303.22 : x
  2. Step 2: Convert to fraction form
    225,455.88/338,173.29 = 92,303.22/x
  3. Step 3: Cross multiply
    225,455.88x = 338,173.29 × 92,303.22
  4. Step 4: Simplify right side
    225,455.88x = 31,214,483,584.99
  5. Step 5: Solve for x
    x = 31,214,483,584.99/225,455.88
  6. Step 6: Final answer
    x = 138,450.52

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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.