Home / 300,009.28-413,997.60-165,847.36

Finding the Fourth Proportional to 300,009.28, 413,997.60 and 165,847.36

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Solution

The fourth proportional to 300,009.28, 413,997.60 and 165,847.36 is: 228,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,009.28 : 413,997.60 = 165,847.36 : x
  2. Step 2: Convert to fraction form
    300,009.28/413,997.60 = 165,847.36/x
  3. Step 3: Cross multiply
    300,009.28x = 413,997.60 × 165,847.36
  4. Step 4: Simplify right side
    300,009.28x = 68,660,409,006.34
  5. Step 5: Solve for x
    x = 68,660,409,006.34/300,009.28
  6. Step 6: Final answer
    x = 228,860.95

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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.