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Finding the Fourth Proportional to 268,954.98, 403,338.39 and 79,364.86

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Solution

The fourth proportional to 268,954.98, 403,338.39 and 79,364.86 is: 119,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,954.98 : 403,338.39 = 79,364.86 : x
  2. Step 2: Convert to fraction form
    268,954.98/403,338.39 = 79,364.86/x
  3. Step 3: Cross multiply
    268,954.98x = 403,338.39 × 79,364.86
  4. Step 4: Simplify right side
    268,954.98x = 32,010,895,817.79
  5. Step 5: Solve for x
    x = 32,010,895,817.79/268,954.98
  6. Step 6: Final answer
    x = 119,019.53

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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.