Home / 329,128.20-493,656.90-223,192.14

Finding the Fourth Proportional to 329,128.20, 493,656.90 and 223,192.14

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Solution

The fourth proportional to 329,128.20, 493,656.90 and 223,192.14 is: 334,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,128.20 : 493,656.90 = 223,192.14 : x
  2. Step 2: Convert to fraction form
    329,128.20/493,656.90 = 223,192.14/x
  3. Step 3: Cross multiply
    329,128.20x = 493,656.90 × 223,192.14
  4. Step 4: Simplify right side
    329,128.20x = 110,180,339,936.77
  5. Step 5: Solve for x
    x = 110,180,339,936.77/329,128.20
  6. Step 6: Final answer
    x = 334,764.20

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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.