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Finding the Fourth Proportional to 444,229.62, 666,343.92 and 144,709.74

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Solution

The fourth proportional to 444,229.62, 666,343.92 and 144,709.74 is: 217,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,229.62 : 666,343.92 = 144,709.74 : x
  2. Step 2: Convert to fraction form
    444,229.62/666,343.92 = 144,709.74/x
  3. Step 3: Cross multiply
    444,229.62x = 666,343.92 × 144,709.74
  4. Step 4: Simplify right side
    444,229.62x = 96,426,455,142.45
  5. Step 5: Solve for x
    x = 96,426,455,142.45/444,229.62
  6. Step 6: Final answer
    x = 217,064.45

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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.