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Finding the Fourth Proportional to 164,362.62, 246,448.85 and 64,405.79

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Solution

The fourth proportional to 164,362.62, 246,448.85 and 64,405.79 is: 96,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,362.62 : 246,448.85 = 64,405.79 : x
  2. Step 2: Convert to fraction form
    164,362.62/246,448.85 = 64,405.79/x
  3. Step 3: Cross multiply
    164,362.62x = 246,448.85 × 64,405.79
  4. Step 4: Simplify right side
    164,362.62x = 15,872,731,324.57
  5. Step 5: Solve for x
    x = 15,872,731,324.57/164,362.62
  6. Step 6: Final answer
    x = 96,571.42

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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.