Home / 266,660.91-367,979.15-151,966.43

Finding the Fourth Proportional to 266,660.91, 367,979.15 and 151,966.43

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Solution

The fourth proportional to 266,660.91, 367,979.15 and 151,966.43 is: 209,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,660.91 : 367,979.15 = 151,966.43 : x
  2. Step 2: Convert to fraction form
    266,660.91/367,979.15 = 151,966.43/x
  3. Step 3: Cross multiply
    266,660.91x = 367,979.15 × 151,966.43
  4. Step 4: Simplify right side
    266,660.91x = 55,920,477,659.88
  5. Step 5: Solve for x
    x = 55,920,477,659.88/266,660.91
  6. Step 6: Final answer
    x = 209,706.32

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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.