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Finding the Fourth Proportional to 447,222.96, 670,367.76 and 181,167.12

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Solution

The fourth proportional to 447,222.96, 670,367.76 and 181,167.12 is: 271,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,222.96 : 670,367.76 = 181,167.12 : x
  2. Step 2: Convert to fraction form
    447,222.96/670,367.76 = 181,167.12/x
  3. Step 3: Cross multiply
    447,222.96x = 670,367.76 × 181,167.12
  4. Step 4: Simplify right side
    447,222.96x = 121,448,596,420.05
  5. Step 5: Solve for x
    x = 121,448,596,420.05/447,222.96
  6. Step 6: Final answer
    x = 271,561.63

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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.