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Finding the Fourth Proportional to 444,060.50, 666,309.44 and 207,368.78

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Solution

The fourth proportional to 444,060.50, 666,309.44 and 207,368.78 is: 311,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,060.50 : 666,309.44 = 207,368.78 : x
  2. Step 2: Convert to fraction form
    444,060.50/666,309.44 = 207,368.78/x
  3. Step 3: Cross multiply
    444,060.50x = 666,309.44 × 207,368.78
  4. Step 4: Simplify right side
    444,060.50x = 138,171,775,675.28
  5. Step 5: Solve for x
    x = 138,171,775,675.28/444,060.50
  6. Step 6: Final answer
    x = 311,155.29

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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.