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Finding the Fourth Proportional to 266,393.56, 367,640.09 and 151,682.23

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Solution

The fourth proportional to 266,393.56, 367,640.09 and 151,682.23 is: 209,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,393.56 : 367,640.09 = 151,682.23 : x
  2. Step 2: Convert to fraction form
    266,393.56/367,640.09 = 151,682.23/x
  3. Step 3: Cross multiply
    266,393.56x = 367,640.09 × 151,682.23
  4. Step 4: Simplify right side
    266,393.56x = 55,764,468,688.60
  5. Step 5: Solve for x
    x = 55,764,468,688.60/266,393.56
  6. Step 6: Final answer
    x = 209,331.14

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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.