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Finding the Fourth Proportional to 400,333.66, 600,161.34 and 175,523.72

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Solution

The fourth proportional to 400,333.66, 600,161.34 and 175,523.72 is: 263,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,333.66 : 600,161.34 = 175,523.72 : x
  2. Step 2: Convert to fraction form
    400,333.66/600,161.34 = 175,523.72/x
  3. Step 3: Cross multiply
    400,333.66x = 600,161.34 × 175,523.72
  4. Step 4: Simplify right side
    400,333.66x = 105,342,550,996.99
  5. Step 5: Solve for x
    x = 105,342,550,996.99/400,333.66
  6. Step 6: Final answer
    x = 263,136.88

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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.