Home / 330,919.08-496,190.70-225,865.32

Finding the Fourth Proportional to 330,919.08, 496,190.70 and 225,865.32

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Solution

The fourth proportional to 330,919.08, 496,190.70 and 225,865.32 is: 338,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,919.08 : 496,190.70 = 225,865.32 : x
  2. Step 2: Convert to fraction form
    330,919.08/496,190.70 = 225,865.32/x
  3. Step 3: Cross multiply
    330,919.08x = 496,190.70 × 225,865.32
  4. Step 4: Simplify right side
    330,919.08x = 112,072,271,236.52
  5. Step 5: Solve for x
    x = 112,072,271,236.52/330,919.08
  6. Step 6: Final answer
    x = 338,669.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.