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Finding the Fourth Proportional to 542,578.80, 813,548.52 and 222,635.28

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Solution

The fourth proportional to 542,578.80, 813,548.52 and 222,635.28 is: 333,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,578.80 : 813,548.52 = 222,635.28 : x
  2. Step 2: Convert to fraction form
    542,578.80/813,548.52 = 222,635.28/x
  3. Step 3: Cross multiply
    542,578.80x = 813,548.52 × 222,635.28
  4. Step 4: Simplify right side
    542,578.80x = 181,124,602,543.79
  5. Step 5: Solve for x
    x = 181,124,602,543.79/542,578.80
  6. Step 6: Final answer
    x = 333,821.75

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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.