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Finding the Fourth Proportional to 444,529.60, 666,648.60 and 164,010.40

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Solution

The fourth proportional to 444,529.60, 666,648.60 and 164,010.40 is: 245,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,529.60 : 666,648.60 = 164,010.40 : x
  2. Step 2: Convert to fraction form
    444,529.60/666,648.60 = 164,010.40/x
  3. Step 3: Cross multiply
    444,529.60x = 666,648.60 × 164,010.40
  4. Step 4: Simplify right side
    444,529.60x = 109,337,303,545.44
  5. Step 5: Solve for x
    x = 109,337,303,545.44/444,529.60
  6. Step 6: Final answer
    x = 245,961.81

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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.