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Finding the Fourth Proportional to 266,410.45, 367,651.71 and 145,559.22

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Solution

The fourth proportional to 266,410.45, 367,651.71 and 145,559.22 is: 200,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,410.45 : 367,651.71 = 145,559.22 : x
  2. Step 2: Convert to fraction form
    266,410.45/367,651.71 = 145,559.22/x
  3. Step 3: Cross multiply
    266,410.45x = 367,651.71 × 145,559.22
  4. Step 4: Simplify right side
    266,410.45x = 53,515,095,411.47
  5. Step 5: Solve for x
    x = 53,515,095,411.47/266,410.45
  6. Step 6: Final answer
    x = 200,874.61

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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.