Home / 219,631.20-329,500.80-61,857.60

Finding the Fourth Proportional to 219,631.20, 329,500.80 and 61,857.60

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Solution

The fourth proportional to 219,631.20, 329,500.80 and 61,857.60 is: 92,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,631.20 : 329,500.80 = 61,857.60 : x
  2. Step 2: Convert to fraction form
    219,631.20/329,500.80 = 61,857.60/x
  3. Step 3: Cross multiply
    219,631.20x = 329,500.80 × 61,857.60
  4. Step 4: Simplify right side
    219,631.20x = 20,382,128,686.08
  5. Step 5: Solve for x
    x = 20,382,128,686.08/219,631.20
  6. Step 6: Final answer
    x = 92,801.61

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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.