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Finding the Fourth Proportional to 228,615.76, 343,144.98 and 110,370.10

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Solution

The fourth proportional to 228,615.76, 343,144.98 and 110,370.10 is: 165,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,615.76 : 343,144.98 = 110,370.10 : x
  2. Step 2: Convert to fraction form
    228,615.76/343,144.98 = 110,370.10/x
  3. Step 3: Cross multiply
    228,615.76x = 343,144.98 × 110,370.10
  4. Step 4: Simplify right side
    228,615.76x = 37,872,945,757.10
  5. Step 5: Solve for x
    x = 37,872,945,757.10/228,615.76
  6. Step 6: Final answer
    x = 165,662.01

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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.