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Finding the Fourth Proportional to 444,479.12, 666,759.19 and 144,882.80

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Solution

The fourth proportional to 444,479.12, 666,759.19 and 144,882.80 is: 217,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,479.12 : 666,759.19 = 144,882.80 : x
  2. Step 2: Convert to fraction form
    444,479.12/666,759.19 = 144,882.80/x
  3. Step 3: Cross multiply
    444,479.12x = 666,759.19 × 144,882.80
  4. Step 4: Simplify right side
    444,479.12x = 96,601,938,372.93
  5. Step 5: Solve for x
    x = 96,601,938,372.93/444,479.12
  6. Step 6: Final answer
    x = 217,337.40

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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.