Home / 219,942.60-329,913.90-149,083.80

Finding the Fourth Proportional to 219,942.60, 329,913.90 and 149,083.80

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Solution

The fourth proportional to 219,942.60, 329,913.90 and 149,083.80 is: 223,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.60 : 329,913.90 = 149,083.80 : x
  2. Step 2: Convert to fraction form
    219,942.60/329,913.90 = 149,083.80/x
  3. Step 3: Cross multiply
    219,942.60x = 329,913.90 × 149,083.80
  4. Step 4: Simplify right side
    219,942.60x = 49,184,817,884.82
  5. Step 5: Solve for x
    x = 49,184,817,884.82/219,942.60
  6. Step 6: Final answer
    x = 223,625.70

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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.