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Finding the Fourth Proportional to 444,029.50, 666,142.62 and 207,242.92

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Solution

The fourth proportional to 444,029.50, 666,142.62 and 207,242.92 is: 310,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,029.50 : 666,142.62 = 207,242.92 : x
  2. Step 2: Convert to fraction form
    444,029.50/666,142.62 = 207,242.92/x
  3. Step 3: Cross multiply
    444,029.50x = 666,142.62 × 207,242.92
  4. Step 4: Simplify right side
    444,029.50x = 138,053,341,705.25
  5. Step 5: Solve for x
    x = 138,053,341,705.25/444,029.50
  6. Step 6: Final answer
    x = 310,910.29

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1.5x scale

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.