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Finding the Fourth Proportional to 494,751.60, 682,758.51 and 268,397.10

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Solution

The fourth proportional to 494,751.60, 682,758.51 and 268,397.10 is: 370,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,751.60 : 682,758.51 = 268,397.10 : x
  2. Step 2: Convert to fraction form
    494,751.60/682,758.51 = 268,397.10/x
  3. Step 3: Cross multiply
    494,751.60x = 682,758.51 × 268,397.10
  4. Step 4: Simplify right side
    494,751.60x = 183,250,404,084.32
  5. Step 5: Solve for x
    x = 183,250,404,084.32/494,751.60
  6. Step 6: Final answer
    x = 370,388.70

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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.