Home / 300,127.43-450,191.91-122,634.44

Finding the Fourth Proportional to 300,127.43, 450,191.91 and 122,634.44

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Solution

The fourth proportional to 300,127.43, 450,191.91 and 122,634.44 is: 183,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,127.43 : 450,191.91 = 122,634.44 : x
  2. Step 2: Convert to fraction form
    300,127.43/450,191.91 = 122,634.44/x
  3. Step 3: Cross multiply
    300,127.43x = 450,191.91 × 122,634.44
  4. Step 4: Simplify right side
    300,127.43x = 55,209,031,803.19
  5. Step 5: Solve for x
    x = 55,209,031,803.19/300,127.43
  6. Step 6: Final answer
    x = 183,951.97

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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.