Home / 268,728.53-403,160.43-100,254.35

Finding the Fourth Proportional to 268,728.53, 403,160.43 and 100,254.35

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Solution

The fourth proportional to 268,728.53, 403,160.43 and 100,254.35 is: 150,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,728.53 : 403,160.43 = 100,254.35 : x
  2. Step 2: Convert to fraction form
    268,728.53/403,160.43 = 100,254.35/x
  3. Step 3: Cross multiply
    268,728.53x = 403,160.43 × 100,254.35
  4. Step 4: Simplify right side
    268,728.53x = 40,418,584,839.57
  5. Step 5: Solve for x
    x = 40,418,584,839.57/268,728.53
  6. Step 6: Final answer
    x = 150,406.75

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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.