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Finding the Fourth Proportional to 404,041, 606,149 and 154,723

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Solution

The fourth proportional to 404,041, 606,149 and 154,723 is: 232,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,041 : 606,149 = 154,723 : x
  2. Step 2: Convert to fraction form
    404,041/606,149 = 154,723/x
  3. Step 3: Cross multiply
    404,041x = 606,149 × 154,723
  4. Step 4: Simplify right side
    404,041x = 93,785,191,727
  5. Step 5: Solve for x
    x = 93,785,191,727/404,041
  6. Step 6: Final answer
    x = 232,118.01

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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.