Home / 330,511.32-456,245.15-223,226.66

Finding the Fourth Proportional to 330,511.32, 456,245.15 and 223,226.66

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Solution

The fourth proportional to 330,511.32, 456,245.15 and 223,226.66 is: 308,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,511.32 : 456,245.15 = 223,226.66 : x
  2. Step 2: Convert to fraction form
    330,511.32/456,245.15 = 223,226.66/x
  3. Step 3: Cross multiply
    330,511.32x = 456,245.15 × 223,226.66
  4. Step 4: Simplify right side
    330,511.32x = 101,846,077,578.34
  5. Step 5: Solve for x
    x = 101,846,077,578.34/330,511.32
  6. Step 6: Final answer
    x = 308,147.02

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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.