Home / 419,812.22-579,341.02-238,524.38

Finding the Fourth Proportional to 419,812.22, 579,341.02 and 238,524.38

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Solution

The fourth proportional to 419,812.22, 579,341.02 and 238,524.38 is: 329,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,812.22 : 579,341.02 = 238,524.38 : x
  2. Step 2: Convert to fraction form
    419,812.22/579,341.02 = 238,524.38/x
  3. Step 3: Cross multiply
    419,812.22x = 579,341.02 × 238,524.38
  4. Step 4: Simplify right side
    419,812.22x = 138,186,958,456.11
  5. Step 5: Solve for x
    x = 138,186,958,456.11/419,812.22
  6. Step 6: Final answer
    x = 329,163.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.