Home / 330,880.32-456,619.68-203,480.64

Finding the Fourth Proportional to 330,880.32, 456,619.68 and 203,480.64

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Solution

The fourth proportional to 330,880.32, 456,619.68 and 203,480.64 is: 280,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,880.32 : 456,619.68 = 203,480.64 : x
  2. Step 2: Convert to fraction form
    330,880.32/456,619.68 = 203,480.64/x
  3. Step 3: Cross multiply
    330,880.32x = 456,619.68 × 203,480.64
  4. Step 4: Simplify right side
    330,880.32x = 92,913,264,723.00
  5. Step 5: Solve for x
    x = 92,913,264,723.00/330,880.32
  6. Step 6: Final answer
    x = 280,806.26

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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.