Home / 300,839.32-415,163.46-164,864.20

Finding the Fourth Proportional to 300,839.32, 415,163.46 and 164,864.20

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Solution

The fourth proportional to 300,839.32, 415,163.46 and 164,864.20 is: 227,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,839.32 : 415,163.46 = 164,864.20 : x
  2. Step 2: Convert to fraction form
    300,839.32/415,163.46 = 164,864.20/x
  3. Step 3: Cross multiply
    300,839.32x = 415,163.46 × 164,864.20
  4. Step 4: Simplify right side
    300,839.32x = 68,445,591,702.13
  5. Step 5: Solve for x
    x = 68,445,591,702.13/300,839.32
  6. Step 6: Final answer
    x = 227,515.44

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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.