Home / 263,158.17-394,671.45-103,266.60

Finding the Fourth Proportional to 263,158.17, 394,671.45 and 103,266.60

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Solution

The fourth proportional to 263,158.17, 394,671.45 and 103,266.60 is: 154,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,158.17 : 394,671.45 = 103,266.60 : x
  2. Step 2: Convert to fraction form
    263,158.17/394,671.45 = 103,266.60/x
  3. Step 3: Cross multiply
    263,158.17x = 394,671.45 × 103,266.60
  4. Step 4: Simplify right side
    263,158.17x = 40,756,378,758.57
  5. Step 5: Solve for x
    x = 40,756,378,758.57/263,158.17
  6. Step 6: Final answer
    x = 154,874.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.