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Finding the Fourth Proportional to 501,272.91, 751,609.04 and 159,568.70

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Solution

The fourth proportional to 501,272.91, 751,609.04 and 159,568.70 is: 239,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,272.91 : 751,609.04 = 159,568.70 : x
  2. Step 2: Convert to fraction form
    501,272.91/751,609.04 = 159,568.70/x
  3. Step 3: Cross multiply
    501,272.91x = 751,609.04 × 159,568.70
  4. Step 4: Simplify right side
    501,272.91x = 119,933,277,421.05
  5. Step 5: Solve for x
    x = 119,933,277,421.05/501,272.91
  6. Step 6: Final answer
    x = 239,257.45

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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.