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Finding the Fourth Proportional to 394,010.25, 590,166.46 and 266,953.38

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Solution

The fourth proportional to 394,010.25, 590,166.46 and 266,953.38 is: 399,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,010.25 : 590,166.46 = 266,953.38 : x
  2. Step 2: Convert to fraction form
    394,010.25/590,166.46 = 266,953.38/x
  3. Step 3: Cross multiply
    394,010.25x = 590,166.46 × 266,953.38
  4. Step 4: Simplify right side
    394,010.25x = 157,546,931,259.64
  5. Step 5: Solve for x
    x = 157,546,931,259.64/394,010.25
  6. Step 6: Final answer
    x = 399,854.91

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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.