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Finding the Fourth Proportional to 234,976.59, 352,478.59 and 66,482.82

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Solution

The fourth proportional to 234,976.59, 352,478.59 and 66,482.82 is: 99,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,976.59 : 352,478.59 = 66,482.82 : x
  2. Step 2: Convert to fraction form
    234,976.59/352,478.59 = 66,482.82/x
  3. Step 3: Cross multiply
    234,976.59x = 352,478.59 × 66,482.82
  4. Step 4: Simplify right side
    234,976.59x = 23,433,770,735.93
  5. Step 5: Solve for x
    x = 23,433,770,735.93/234,976.59
  6. Step 6: Final answer
    x = 99,728.11

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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.