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Finding the Fourth Proportional to 447,523.99, 671,287.79 and 181,289.54

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Solution

The fourth proportional to 447,523.99, 671,287.79 and 181,289.54 is: 271,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,523.99 : 671,287.79 = 181,289.54 : x
  2. Step 2: Convert to fraction form
    447,523.99/671,287.79 = 181,289.54/x
  3. Step 3: Cross multiply
    447,523.99x = 671,287.79 × 181,289.54
  4. Step 4: Simplify right side
    447,523.99x = 121,697,454,656.72
  5. Step 5: Solve for x
    x = 121,697,454,656.72/447,523.99
  6. Step 6: Final answer
    x = 271,935.04

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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.