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Finding the Fourth Proportional to 304,179.23, 419,759.39 and 168,209.39

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Solution

The fourth proportional to 304,179.23, 419,759.39 and 168,209.39 is: 232,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,179.23 : 419,759.39 = 168,209.39 : x
  2. Step 2: Convert to fraction form
    304,179.23/419,759.39 = 168,209.39/x
  3. Step 3: Cross multiply
    304,179.23x = 419,759.39 × 168,209.39
  4. Step 4: Simplify right side
    304,179.23x = 70,607,467,998.83
  5. Step 5: Solve for x
    x = 70,607,467,998.83/304,179.23
  6. Step 6: Final answer
    x = 232,124.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.