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Finding the Fourth Proportional to 373,880.44, 515,935.48 and 204,081.76

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Solution

The fourth proportional to 373,880.44, 515,935.48 and 204,081.76 is: 281,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,880.44 : 515,935.48 = 204,081.76 : x
  2. Step 2: Convert to fraction form
    373,880.44/515,935.48 = 204,081.76/x
  3. Step 3: Cross multiply
    373,880.44x = 515,935.48 × 204,081.76
  4. Step 4: Simplify right side
    373,880.44x = 105,293,020,804.85
  5. Step 5: Solve for x
    x = 105,293,020,804.85/373,880.44
  6. Step 6: Final answer
    x = 281,622.17

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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.