Home / 219,815.10-329,722.65-152,163.90

Finding the Fourth Proportional to 219,815.10, 329,722.65 and 152,163.90

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Solution

The fourth proportional to 219,815.10, 329,722.65 and 152,163.90 is: 228,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,815.10 : 329,722.65 = 152,163.90 : x
  2. Step 2: Convert to fraction form
    219,815.10/329,722.65 = 152,163.90/x
  3. Step 3: Cross multiply
    219,815.10x = 329,722.65 × 152,163.90
  4. Step 4: Simplify right side
    219,815.10x = 50,171,884,342.34
  5. Step 5: Solve for x
    x = 50,171,884,342.34/219,815.10
  6. Step 6: Final answer
    x = 228,245.85

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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.