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Finding the Fourth Proportional to 482,298.73, 665,524.30 and 278,415.33

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Solution

The fourth proportional to 482,298.73, 665,524.30 and 278,415.33 is: 384,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,298.73 : 665,524.30 = 278,415.33 : x
  2. Step 2: Convert to fraction form
    482,298.73/665,524.30 = 278,415.33/x
  3. Step 3: Cross multiply
    482,298.73x = 665,524.30 × 278,415.33
  4. Step 4: Simplify right side
    482,298.73x = 185,292,164,937.79
  5. Step 5: Solve for x
    x = 185,292,164,937.79/482,298.73
  6. Step 6: Final answer
    x = 384,185.47

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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.