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Finding the Fourth Proportional to 228,848.96, 343,318.80 and 88,608.80

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Solution

The fourth proportional to 228,848.96, 343,318.80 and 88,608.80 is: 132,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,848.96 : 343,318.80 = 88,608.80 : x
  2. Step 2: Convert to fraction form
    228,848.96/343,318.80 = 88,608.80/x
  3. Step 3: Cross multiply
    228,848.96x = 343,318.80 × 88,608.80
  4. Step 4: Simplify right side
    228,848.96x = 30,421,066,885.44
  5. Step 5: Solve for x
    x = 30,421,066,885.44/228,848.96
  6. Step 6: Final answer
    x = 132,930.76

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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.