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Finding the Fourth Proportional to 220,701.94, 331,055.96 and 62,930.37

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Solution

The fourth proportional to 220,701.94, 331,055.96 and 62,930.37 is: 94,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,701.94 : 331,055.96 = 62,930.37 : x
  2. Step 2: Convert to fraction form
    220,701.94/331,055.96 = 62,930.37/x
  3. Step 3: Cross multiply
    220,701.94x = 331,055.96 × 62,930.37
  4. Step 4: Simplify right side
    220,701.94x = 20,833,474,053.51
  5. Step 5: Solve for x
    x = 20,833,474,053.51/220,701.94
  6. Step 6: Final answer
    x = 94,396.42

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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.