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Finding the Fourth Proportional to 495,110, 683,253 and 268,755.44

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Solution

The fourth proportional to 495,110, 683,253 and 268,755.44 is: 370,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,110 : 683,253 = 268,755.44 : x
  2. Step 2: Convert to fraction form
    495,110/683,253 = 268,755.44/x
  3. Step 3: Cross multiply
    495,110x = 683,253 × 268,755.44
  4. Step 4: Simplify right side
    495,110x = 183,627,960,646.32
  5. Step 5: Solve for x
    x = 183,627,960,646.32/495,110
  6. Step 6: Final answer
    x = 370,883.16

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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.