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Finding the Fourth Proportional to 444,530.50, 666,854.34 and 144,906.10

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Solution

The fourth proportional to 444,530.50, 666,854.34 and 144,906.10 is: 217,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,530.50 : 666,854.34 = 144,906.10 : x
  2. Step 2: Convert to fraction form
    444,530.50/666,854.34 = 144,906.10/x
  3. Step 3: Cross multiply
    444,530.50x = 666,854.34 × 144,906.10
  4. Step 4: Simplify right side
    444,530.50x = 96,631,261,677.47
  5. Step 5: Solve for x
    x = 96,631,261,677.47/444,530.50
  6. Step 6: Final answer
    x = 217,378.25

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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.