Home / 220,865.85-331,225.88-71,070.32

Finding the Fourth Proportional to 220,865.85, 331,225.88 and 71,070.32

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Solution

The fourth proportional to 220,865.85, 331,225.88 and 71,070.32 is: 106,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,865.85 : 331,225.88 = 71,070.32 : x
  2. Step 2: Convert to fraction form
    220,865.85/331,225.88 = 71,070.32/x
  3. Step 3: Cross multiply
    220,865.85x = 331,225.88 × 71,070.32
  4. Step 4: Simplify right side
    220,865.85x = 23,540,329,756.59
  5. Step 5: Solve for x
    x = 23,540,329,756.59/220,865.85
  6. Step 6: Final answer
    x = 106,582.03

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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.