Home / 268,774.16-403,410.68-135,747.86

Finding the Fourth Proportional to 268,774.16, 403,410.68 and 135,747.86

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Solution

The fourth proportional to 268,774.16, 403,410.68 and 135,747.86 is: 203,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,774.16 : 403,410.68 = 135,747.86 : x
  2. Step 2: Convert to fraction form
    268,774.16/403,410.68 = 135,747.86/x
  3. Step 3: Cross multiply
    268,774.16x = 403,410.68 × 135,747.86
  4. Step 4: Simplify right side
    268,774.16x = 54,762,133,815.35
  5. Step 5: Solve for x
    x = 54,762,133,815.35/268,774.16
  6. Step 6: Final answer
    x = 203,747.77

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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.