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Finding the Fourth Proportional to 304,098.43, 419,638.90 and 168,124.44

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Solution

The fourth proportional to 304,098.43, 419,638.90 and 168,124.44 is: 232,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,098.43 : 419,638.90 = 168,124.44 : x
  2. Step 2: Convert to fraction form
    304,098.43/419,638.90 = 168,124.44/x
  3. Step 3: Cross multiply
    304,098.43x = 419,638.90 × 168,124.44
  4. Step 4: Simplify right side
    304,098.43x = 70,551,555,064.72
  5. Step 5: Solve for x
    x = 70,551,555,064.72/304,098.43
  6. Step 6: Final answer
    x = 232,002.37

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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.