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Finding the Fourth Proportional to 501,098.68, 751,568.01 and 146,029.65

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Solution

The fourth proportional to 501,098.68, 751,568.01 and 146,029.65 is: 219,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,098.68 : 751,568.01 = 146,029.65 : x
  2. Step 2: Convert to fraction form
    501,098.68/751,568.01 = 146,029.65/x
  3. Step 3: Cross multiply
    501,098.68x = 751,568.01 × 146,029.65
  4. Step 4: Simplify right side
    501,098.68x = 109,751,213,451.50
  5. Step 5: Solve for x
    x = 109,751,213,451.50/501,098.68
  6. Step 6: Final answer
    x = 219,021.16

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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.