Home / 330,571.28-456,189-179,667.92

Finding the Fourth Proportional to 330,571.28, 456,189 and 179,667.92

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Solution

The fourth proportional to 330,571.28, 456,189 and 179,667.92 is: 247,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,571.28 : 456,189 = 179,667.92 : x
  2. Step 2: Convert to fraction form
    330,571.28/456,189 = 179,667.92/x
  3. Step 3: Cross multiply
    330,571.28x = 456,189 × 179,667.92
  4. Step 4: Simplify right side
    330,571.28x = 81,962,528,756.88
  5. Step 5: Solve for x
    x = 81,962,528,756.88/330,571.28
  6. Step 6: Final answer
    x = 247,942.07

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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.