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Finding the Fourth Proportional to 404,169.86, 557,751.02 and 222,889.34

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Solution

The fourth proportional to 404,169.86, 557,751.02 and 222,889.34 is: 307,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,169.86 : 557,751.02 = 222,889.34 : x
  2. Step 2: Convert to fraction form
    404,169.86/557,751.02 = 222,889.34/x
  3. Step 3: Cross multiply
    404,169.86x = 557,751.02 × 222,889.34
  4. Step 4: Simplify right side
    404,169.86x = 124,316,756,732.13
  5. Step 5: Solve for x
    x = 124,316,756,732.13/404,169.86
  6. Step 6: Final answer
    x = 307,585.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.