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Finding the Fourth Proportional to 339,338.25, 508,657.44 and 152,480.97

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Solution

The fourth proportional to 339,338.25, 508,657.44 and 152,480.97 is: 228,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,338.25 : 508,657.44 = 152,480.97 : x
  2. Step 2: Convert to fraction form
    339,338.25/508,657.44 = 152,480.97/x
  3. Step 3: Cross multiply
    339,338.25x = 508,657.44 × 152,480.97
  4. Step 4: Simplify right side
    339,338.25x = 77,560,579,848.92
  5. Step 5: Solve for x
    x = 77,560,579,848.92/339,338.25
  6. Step 6: Final answer
    x = 228,564.21

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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.