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Finding the Fourth Proportional to 356,922.39, 492,552.87 and 206,019.39

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Solution

The fourth proportional to 356,922.39, 492,552.87 and 206,019.39 is: 284,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,922.39 : 492,552.87 = 206,019.39 : x
  2. Step 2: Convert to fraction form
    356,922.39/492,552.87 = 206,019.39/x
  3. Step 3: Cross multiply
    356,922.39x = 492,552.87 × 206,019.39
  4. Step 4: Simplify right side
    356,922.39x = 101,475,441,820.15
  5. Step 5: Solve for x
    x = 101,475,441,820.15/356,922.39
  6. Step 6: Final answer
    x = 284,306.74

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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.