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Finding the Fourth Proportional to 501,975.56, 752,885.28 and 165,013.97

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Solution

The fourth proportional to 501,975.56, 752,885.28 and 165,013.97 is: 247,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,975.56 : 752,885.28 = 165,013.97 : x
  2. Step 2: Convert to fraction form
    501,975.56/752,885.28 = 165,013.97/x
  3. Step 3: Cross multiply
    501,975.56x = 752,885.28 × 165,013.97
  4. Step 4: Simplify right side
    501,975.56x = 124,236,589,007.36
  5. Step 5: Solve for x
    x = 124,236,589,007.36/501,975.56
  6. Step 6: Final answer
    x = 247,495.29

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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.