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Finding the Fourth Proportional to 559,182.70, 838,314.78 and 222,078.52

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Solution

The fourth proportional to 559,182.70, 838,314.78 and 222,078.52 is: 332,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,182.70 : 838,314.78 = 222,078.52 : x
  2. Step 2: Convert to fraction form
    559,182.70/838,314.78 = 222,078.52/x
  3. Step 3: Cross multiply
    559,182.70x = 838,314.78 × 222,078.52
  4. Step 4: Simplify right side
    559,182.70x = 186,171,705,636.53
  5. Step 5: Solve for x
    x = 186,171,705,636.53/559,182.70
  6. Step 6: Final answer
    x = 332,935.38

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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.