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Finding the Fourth Proportional to 330,800.22, 495,970.70 and 181,111.01

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Solution

The fourth proportional to 330,800.22, 495,970.70 and 181,111.01 is: 271,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,800.22 : 495,970.70 = 181,111.01 : x
  2. Step 2: Convert to fraction form
    330,800.22/495,970.70 = 181,111.01/x
  3. Step 3: Cross multiply
    330,800.22x = 495,970.70 × 181,111.01
  4. Step 4: Simplify right side
    330,800.22x = 89,825,751,022.00
  5. Step 5: Solve for x
    x = 89,825,751,022.00/330,800.22
  6. Step 6: Final answer
    x = 271,540.78

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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.