Home / 330,495.20-456,082.14-187,282.64

Finding the Fourth Proportional to 330,495.20, 456,082.14 and 187,282.64

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Solution

The fourth proportional to 330,495.20, 456,082.14 and 187,282.64 is: 258,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,495.20 : 456,082.14 = 187,282.64 : x
  2. Step 2: Convert to fraction form
    330,495.20/456,082.14 = 187,282.64/x
  3. Step 3: Cross multiply
    330,495.20x = 456,082.14 × 187,282.64
  4. Step 4: Simplify right side
    330,495.20x = 85,416,267,236.05
  5. Step 5: Solve for x
    x = 85,416,267,236.05/330,495.20
  6. Step 6: Final answer
    x = 258,449.34

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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.