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Finding the Fourth Proportional to 495,034.50, 683,149.44 and 268,680

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Solution

The fourth proportional to 495,034.50, 683,149.44 and 268,680 is: 370,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,034.50 : 683,149.44 = 268,680 : x
  2. Step 2: Convert to fraction form
    495,034.50/683,149.44 = 268,680/x
  3. Step 3: Cross multiply
    495,034.50x = 683,149.44 × 268,680
  4. Step 4: Simplify right side
    495,034.50x = 183,548,591,539.20
  5. Step 5: Solve for x
    x = 183,548,591,539.20/495,034.50
  6. Step 6: Final answer
    x = 370,779.39

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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.