Home / 220,564.50-330,827.04-70,764.12

Finding the Fourth Proportional to 220,564.50, 330,827.04 and 70,764.12

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Solution

The fourth proportional to 220,564.50, 330,827.04 and 70,764.12 is: 106,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,564.50 : 330,827.04 = 70,764.12 : x
  2. Step 2: Convert to fraction form
    220,564.50/330,827.04 = 70,764.12/x
  3. Step 3: Cross multiply
    220,564.50x = 330,827.04 × 70,764.12
  4. Step 4: Simplify right side
    220,564.50x = 23,410,684,357.80
  5. Step 5: Solve for x
    x = 23,410,684,357.80/220,564.50
  6. Step 6: Final answer
    x = 106,139.86

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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.