Home / 220,078.55-329,956.37-70,232.50

Finding the Fourth Proportional to 220,078.55, 329,956.37 and 70,232.50

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Solution

The fourth proportional to 220,078.55, 329,956.37 and 70,232.50 is: 105,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,078.55 : 329,956.37 = 70,232.50 : x
  2. Step 2: Convert to fraction form
    220,078.55/329,956.37 = 70,232.50/x
  3. Step 3: Cross multiply
    220,078.55x = 329,956.37 × 70,232.50
  4. Step 4: Simplify right side
    220,078.55x = 23,173,661,080.68
  5. Step 5: Solve for x
    x = 23,173,661,080.68/220,078.55
  6. Step 6: Final answer
    x = 105,297.23

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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.