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Finding the Fourth Proportional to 220,370.83, 330,362.37 and 87,344.46

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Solution

The fourth proportional to 220,370.83, 330,362.37 and 87,344.46 is: 130,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370.83 : 330,362.37 = 87,344.46 : x
  2. Step 2: Convert to fraction form
    220,370.83/330,362.37 = 87,344.46/x
  3. Step 3: Cross multiply
    220,370.83x = 330,362.37 × 87,344.46
  4. Step 4: Simplify right side
    220,370.83x = 28,855,322,811.97
  5. Step 5: Solve for x
    x = 28,855,322,811.97/220,370.83
  6. Step 6: Final answer
    x = 130,939.85

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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.