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Finding the Fourth Proportional to 369,651.33, 510,080.63 and 272,906.69

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Solution

The fourth proportional to 369,651.33, 510,080.63 and 272,906.69 is: 376,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,651.33 : 510,080.63 = 272,906.69 : x
  2. Step 2: Convert to fraction form
    369,651.33/510,080.63 = 272,906.69/x
  3. Step 3: Cross multiply
    369,651.33x = 510,080.63 × 272,906.69
  4. Step 4: Simplify right side
    369,651.33x = 139,204,412,451.48
  5. Step 5: Solve for x
    x = 139,204,412,451.48/369,651.33
  6. Step 6: Final answer
    x = 376,583.02

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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.