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Finding the Fourth Proportional to 501,379.91, 752,299.50 and 217,157.39

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Solution

The fourth proportional to 501,379.91, 752,299.50 and 217,157.39 is: 325,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,379.91 : 752,299.50 = 217,157.39 : x
  2. Step 2: Convert to fraction form
    501,379.91/752,299.50 = 217,157.39/x
  3. Step 3: Cross multiply
    501,379.91x = 752,299.50 × 217,157.39
  4. Step 4: Simplify right side
    501,379.91x = 163,367,392,156.81
  5. Step 5: Solve for x
    x = 163,367,392,156.81/501,379.91
  6. Step 6: Final answer
    x = 325,835.54

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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.