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Finding the Fourth Proportional to 288,266.69, 397,777.86 and 167,384.42

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Solution

The fourth proportional to 288,266.69, 397,777.86 and 167,384.42 is: 230,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,266.69 : 397,777.86 = 167,384.42 : x
  2. Step 2: Convert to fraction form
    288,266.69/397,777.86 = 167,384.42/x
  3. Step 3: Cross multiply
    288,266.69x = 397,777.86 × 167,384.42
  4. Step 4: Simplify right side
    288,266.69x = 66,581,814,396.05
  5. Step 5: Solve for x
    x = 66,581,814,396.05/288,266.69
  6. Step 6: Final answer
    x = 230,972.97

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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.