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Finding the Fourth Proportional to 268,743.41, 403,101.44 and 100,250.45

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Solution

The fourth proportional to 268,743.41, 403,101.44 and 100,250.45 is: 150,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,743.41 : 403,101.44 = 100,250.45 : x
  2. Step 2: Convert to fraction form
    268,743.41/403,101.44 = 100,250.45/x
  3. Step 3: Cross multiply
    268,743.41x = 403,101.44 × 100,250.45
  4. Step 4: Simplify right side
    268,743.41x = 40,411,100,755.65
  5. Step 5: Solve for x
    x = 40,411,100,755.65/268,743.41
  6. Step 6: Final answer
    x = 150,370.57

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1.5x scale

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.