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Finding the Fourth Proportional to 404,365.57, 557,924.19 and 266,529.22

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Solution

The fourth proportional to 404,365.57, 557,924.19 and 266,529.22 is: 367,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,365.57 : 557,924.19 = 266,529.22 : x
  2. Step 2: Convert to fraction form
    404,365.57/557,924.19 = 266,529.22/x
  3. Step 3: Cross multiply
    404,365.57x = 557,924.19 × 266,529.22
  4. Step 4: Simplify right side
    404,365.57x = 148,703,099,179.83
  5. Step 5: Solve for x
    x = 148,703,099,179.83/404,365.57
  6. Step 6: Final answer
    x = 367,744.22

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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.