Home / 285,209.62-393,611.13-162,704.69

Finding the Fourth Proportional to 285,209.62, 393,611.13 and 162,704.69

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Solution

The fourth proportional to 285,209.62, 393,611.13 and 162,704.69 is: 224,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,209.62 : 393,611.13 = 162,704.69 : x
  2. Step 2: Convert to fraction form
    285,209.62/393,611.13 = 162,704.69/x
  3. Step 3: Cross multiply
    285,209.62x = 393,611.13 × 162,704.69
  4. Step 4: Simplify right side
    285,209.62x = 64,042,376,828.14
  5. Step 5: Solve for x
    x = 64,042,376,828.14/285,209.62
  6. Step 6: Final answer
    x = 224,544.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.