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Finding the Fourth Proportional to 220,814.80, 330,833.40 and 181,157.20

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Solution

The fourth proportional to 220,814.80, 330,833.40 and 181,157.20 is: 271,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,814.80 : 330,833.40 = 181,157.20 : x
  2. Step 2: Convert to fraction form
    220,814.80/330,833.40 = 181,157.20/x
  3. Step 3: Cross multiply
    220,814.80x = 330,833.40 × 181,157.20
  4. Step 4: Simplify right side
    220,814.80x = 59,932,852,410.48
  5. Step 5: Solve for x
    x = 59,932,852,410.48/220,814.80
  6. Step 6: Final answer
    x = 271,416.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.