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Finding the Fourth Proportional to 404,255.04, 606,384 and 123,771.12

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Solution

The fourth proportional to 404,255.04, 606,384 and 123,771.12 is: 185,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,255.04 : 606,384 = 123,771.12 : x
  2. Step 2: Convert to fraction form
    404,255.04/606,384 = 123,771.12/x
  3. Step 3: Cross multiply
    404,255.04x = 606,384 × 123,771.12
  4. Step 4: Simplify right side
    404,255.04x = 75,052,826,830.08
  5. Step 5: Solve for x
    x = 75,052,826,830.08/404,255.04
  6. Step 6: Final answer
    x = 185,657.12

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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.