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Finding the Fourth Proportional to 266,189, 399,086.67 and 160,984.58

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Solution

The fourth proportional to 266,189, 399,086.67 and 160,984.58 is: 241,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,189 : 399,086.67 = 160,984.58 : x
  2. Step 2: Convert to fraction form
    266,189/399,086.67 = 160,984.58/x
  3. Step 3: Cross multiply
    266,189x = 399,086.67 × 160,984.58
  4. Step 4: Simplify right side
    266,189x = 64,246,799,953.55
  5. Step 5: Solve for x
    x = 64,246,799,953.55/266,189
  6. Step 6: Final answer
    x = 241,357.83

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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.