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Finding the Fourth Proportional to 224,346.07, 336,584.71 and 66,578.62

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Solution

The fourth proportional to 224,346.07, 336,584.71 and 66,578.62 is: 99,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,346.07 : 336,584.71 = 66,578.62 : x
  2. Step 2: Convert to fraction form
    224,346.07/336,584.71 = 66,578.62/x
  3. Step 3: Cross multiply
    224,346.07x = 336,584.71 × 66,578.62
  4. Step 4: Simplify right side
    224,346.07x = 22,409,345,504.90
  5. Step 5: Solve for x
    x = 22,409,345,504.90/224,346.07
  6. Step 6: Final answer
    x = 99,887.40

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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.