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Finding the Fourth Proportional to 329,262.87, 493,883.10 and 139,601.15

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Solution

The fourth proportional to 329,262.87, 493,883.10 and 139,601.15 is: 209,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,262.87 : 493,883.10 = 139,601.15 : x
  2. Step 2: Convert to fraction form
    329,262.87/493,883.10 = 139,601.15/x
  3. Step 3: Cross multiply
    329,262.87x = 493,883.10 × 139,601.15
  4. Step 4: Simplify right side
    329,262.87x = 68,946,646,256.15
  5. Step 5: Solve for x
    x = 68,946,646,256.15/329,262.87
  6. Step 6: Final answer
    x = 209,396.97

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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.