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Finding the Fourth Proportional to 522,397.33, 783,891.29 and 222,849.61

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Solution

The fourth proportional to 522,397.33, 783,891.29 and 222,849.61 is: 334,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,397.33 : 783,891.29 = 222,849.61 : x
  2. Step 2: Convert to fraction form
    522,397.33/783,891.29 = 222,849.61/x
  3. Step 3: Cross multiply
    522,397.33x = 783,891.29 × 222,849.61
  4. Step 4: Simplify right side
    522,397.33x = 174,689,868,258.90
  5. Step 5: Solve for x
    x = 174,689,868,258.90/522,397.33
  6. Step 6: Final answer
    x = 334,400.38

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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.