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Finding the Fourth Proportional to 501,419.00, 751,939.83 and 181,491.82

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Solution

The fourth proportional to 501,419.00, 751,939.83 and 181,491.82 is: 272,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,419.00 : 751,939.83 = 181,491.82 : x
  2. Step 2: Convert to fraction form
    501,419.00/751,939.83 = 181,491.82/x
  3. Step 3: Cross multiply
    501,419.00x = 751,939.83 × 181,491.82
  4. Step 4: Simplify right side
    501,419.00x = 136,470,926,397.34
  5. Step 5: Solve for x
    x = 136,470,926,397.34/501,419.00
  6. Step 6: Final answer
    x = 272,169.43

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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.