Home / 268,848.78-403,522.26-135,822.78

Finding the Fourth Proportional to 268,848.78, 403,522.26 and 135,822.78

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Solution

The fourth proportional to 268,848.78, 403,522.26 and 135,822.78 is: 203,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,848.78 : 403,522.26 = 135,822.78 : x
  2. Step 2: Convert to fraction form
    268,848.78/403,522.26 = 135,822.78/x
  3. Step 3: Cross multiply
    268,848.78x = 403,522.26 × 135,822.78
  4. Step 4: Simplify right side
    268,848.78x = 54,807,515,145.08
  5. Step 5: Solve for x
    x = 54,807,515,145.08/268,848.78
  6. Step 6: Final answer
    x = 203,860.01

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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.