Home / 299,178.20-412,857.94-163,212.40

Finding the Fourth Proportional to 299,178.20, 412,857.94 and 163,212.40

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Solution

The fourth proportional to 299,178.20, 412,857.94 and 163,212.40 is: 225,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,178.20 : 412,857.94 = 163,212.40 : x
  2. Step 2: Convert to fraction form
    299,178.20/412,857.94 = 163,212.40/x
  3. Step 3: Cross multiply
    299,178.20x = 412,857.94 × 163,212.40
  4. Step 4: Simplify right side
    299,178.20x = 67,383,535,246.46
  5. Step 5: Solve for x
    x = 67,383,535,246.46/299,178.20
  6. Step 6: Final answer
    x = 225,228.76

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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.