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Finding the Fourth Proportional to 329,328.30, 493,992.45 and 325,829.10

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Solution

The fourth proportional to 329,328.30, 493,992.45 and 325,829.10 is: 488,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,328.30 : 493,992.45 = 325,829.10 : x
  2. Step 2: Convert to fraction form
    329,328.30/493,992.45 = 325,829.10/x
  3. Step 3: Cross multiply
    329,328.30x = 493,992.45 × 325,829.10
  4. Step 4: Simplify right side
    329,328.30x = 160,957,115,390.30
  5. Step 5: Solve for x
    x = 160,957,115,390.30/329,328.30
  6. Step 6: Final answer
    x = 488,743.65

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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.