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Finding the Fourth Proportional to 404,082, 606,147.30 and 123,601.68

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Solution

The fourth proportional to 404,082, 606,147.30 and 123,601.68 is: 185,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,082 : 606,147.30 = 123,601.68 : x
  2. Step 2: Convert to fraction form
    404,082/606,147.30 = 123,601.68/x
  3. Step 3: Cross multiply
    404,082x = 606,147.30 × 123,601.68
  4. Step 4: Simplify right side
    404,082x = 74,920,824,607.46
  5. Step 5: Solve for x
    x = 74,920,824,607.46/404,082
  6. Step 6: Final answer
    x = 185,409.95

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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.