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Finding the Fourth Proportional to 239,145.66, 330,044.30 and 178,611.20

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Solution

The fourth proportional to 239,145.66, 330,044.30 and 178,611.20 is: 246,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,145.66 : 330,044.30 = 178,611.20 : x
  2. Step 2: Convert to fraction form
    239,145.66/330,044.30 = 178,611.20/x
  3. Step 3: Cross multiply
    239,145.66x = 330,044.30 × 178,611.20
  4. Step 4: Simplify right side
    239,145.66x = 58,949,605,932.88
  5. Step 5: Solve for x
    x = 58,949,605,932.88/239,145.66
  6. Step 6: Final answer
    x = 246,500.84

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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.