Home / 330,928.56-456,685.20-247,995.84

Finding the Fourth Proportional to 330,928.56, 456,685.20 and 247,995.84

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Solution

The fourth proportional to 330,928.56, 456,685.20 and 247,995.84 is: 342,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,928.56 : 456,685.20 = 247,995.84 : x
  2. Step 2: Convert to fraction form
    330,928.56/456,685.20 = 247,995.84/x
  3. Step 3: Cross multiply
    330,928.56x = 456,685.20 × 247,995.84
  4. Step 4: Simplify right side
    330,928.56x = 113,256,029,789.57
  5. Step 5: Solve for x
    x = 113,256,029,789.57/330,928.56
  6. Step 6: Final answer
    x = 342,237.10

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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.