Home / 220,615.20-331,089.72-161,604.24

Finding the Fourth Proportional to 220,615.20, 331,089.72 and 161,604.24

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Solution

The fourth proportional to 220,615.20, 331,089.72 and 161,604.24 is: 242,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,615.20 : 331,089.72 = 161,604.24 : x
  2. Step 2: Convert to fraction form
    220,615.20/331,089.72 = 161,604.24/x
  3. Step 3: Cross multiply
    220,615.20x = 331,089.72 × 161,604.24
  4. Step 4: Simplify right side
    220,615.20x = 53,505,502,572.41
  5. Step 5: Solve for x
    x = 53,505,502,572.41/220,615.20
  6. Step 6: Final answer
    x = 242,528.63

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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.