Home / 329,495.14-493,731.52-228,490.20

Finding the Fourth Proportional to 329,495.14, 493,731.52 and 228,490.20

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Solution

The fourth proportional to 329,495.14, 493,731.52 and 228,490.20 is: 342,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,495.14 : 493,731.52 = 228,490.20 : x
  2. Step 2: Convert to fraction form
    329,495.14/493,731.52 = 228,490.20/x
  3. Step 3: Cross multiply
    329,495.14x = 493,731.52 × 228,490.20
  4. Step 4: Simplify right side
    329,495.14x = 112,812,813,179.88
  5. Step 5: Solve for x
    x = 112,812,813,179.88/329,495.14
  6. Step 6: Final answer
    x = 342,380.81

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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.