Home / 266,780.72-368,291.04-206,214.32

Finding the Fourth Proportional to 266,780.72, 368,291.04 and 206,214.32

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Solution

The fourth proportional to 266,780.72, 368,291.04 and 206,214.32 is: 284,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780.72 : 368,291.04 = 206,214.32 : x
  2. Step 2: Convert to fraction form
    266,780.72/368,291.04 = 206,214.32/x
  3. Step 3: Cross multiply
    266,780.72x = 368,291.04 × 206,214.32
  4. Step 4: Simplify right side
    266,780.72x = 75,946,886,375.69
  5. Step 5: Solve for x
    x = 75,946,886,375.69/266,780.72
  6. Step 6: Final answer
    x = 284,679.07

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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.