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Finding the Fourth Proportional to 501,129.87, 751,805.37 and 146,171.67

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Solution

The fourth proportional to 501,129.87, 751,805.37 and 146,171.67 is: 219,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,129.87 : 751,805.37 = 146,171.67 : x
  2. Step 2: Convert to fraction form
    501,129.87/751,805.37 = 146,171.67/x
  3. Step 3: Cross multiply
    501,129.87x = 751,805.37 × 146,171.67
  4. Step 4: Simplify right side
    501,129.87x = 109,892,646,447.87
  5. Step 5: Solve for x
    x = 109,892,646,447.87/501,129.87
  6. Step 6: Final answer
    x = 219,289.76

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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.