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Finding the Fourth Proportional to 228,814.96, 343,271.99 and 93,879.34

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Solution

The fourth proportional to 228,814.96, 343,271.99 and 93,879.34 is: 140,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,814.96 : 343,271.99 = 93,879.34 : x
  2. Step 2: Convert to fraction form
    228,814.96/343,271.99 = 93,879.34/x
  3. Step 3: Cross multiply
    228,814.96x = 343,271.99 × 93,879.34
  4. Step 4: Simplify right side
    228,814.96x = 32,226,147,861.69
  5. Step 5: Solve for x
    x = 32,226,147,861.69/228,814.96
  6. Step 6: Final answer
    x = 140,839.34

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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.