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Finding the Fourth Proportional to 331,333.10, 496,999.65 and 109,717.10

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Solution

The fourth proportional to 331,333.10, 496,999.65 and 109,717.10 is: 164,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,333.10 : 496,999.65 = 109,717.10 : x
  2. Step 2: Convert to fraction form
    331,333.10/496,999.65 = 109,717.10/x
  3. Step 3: Cross multiply
    331,333.10x = 496,999.65 × 109,717.10
  4. Step 4: Simplify right side
    331,333.10x = 54,529,360,299.02
  5. Step 5: Solve for x
    x = 54,529,360,299.02/331,333.10
  6. Step 6: Final answer
    x = 164,575.65

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1.5x scale

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.