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Finding the Fourth Proportional to 300,008.90, 414,010.41 and 165,872.90

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Solution

The fourth proportional to 300,008.90, 414,010.41 and 165,872.90 is: 228,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,008.90 : 414,010.41 = 165,872.90 : x
  2. Step 2: Convert to fraction form
    300,008.90/414,010.41 = 165,872.90/x
  3. Step 3: Cross multiply
    300,008.90x = 414,010.41 × 165,872.90
  4. Step 4: Simplify right side
    300,008.90x = 68,673,107,336.89
  5. Step 5: Solve for x
    x = 68,673,107,336.89/300,008.90
  6. Step 6: Final answer
    x = 228,903.57

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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.