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Finding the Fourth Proportional to 369,182.21, 509,471.37 and 199,416.33

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Solution

The fourth proportional to 369,182.21, 509,471.37 and 199,416.33 is: 275,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,182.21 : 509,471.37 = 199,416.33 : x
  2. Step 2: Convert to fraction form
    369,182.21/509,471.37 = 199,416.33/x
  3. Step 3: Cross multiply
    369,182.21x = 509,471.37 × 199,416.33
  4. Step 4: Simplify right side
    369,182.21x = 101,596,910,845.47
  5. Step 5: Solve for x
    x = 101,596,910,845.47/369,182.21
  6. Step 6: Final answer
    x = 275,194.50

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