Home / 268,909.54-403,325.24-79,360.66

Finding the Fourth Proportional to 268,909.54, 403,325.24 and 79,360.66

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Solution

The fourth proportional to 268,909.54, 403,325.24 and 79,360.66 is: 119,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,909.54 : 403,325.24 = 79,360.66 : x
  2. Step 2: Convert to fraction form
    268,909.54/403,325.24 = 79,360.66/x
  3. Step 3: Cross multiply
    268,909.54x = 403,325.24 × 79,360.66
  4. Step 4: Simplify right side
    268,909.54x = 32,008,157,241.06
  5. Step 5: Solve for x
    x = 32,008,157,241.06/268,909.54
  6. Step 6: Final answer
    x = 119,029.46

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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.