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Finding the Fourth Proportional to 266,393.25, 367,622.69 and 147,161.25

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Solution

The fourth proportional to 266,393.25, 367,622.69 and 147,161.25 is: 203,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,393.25 : 367,622.69 = 147,161.25 : x
  2. Step 2: Convert to fraction form
    266,393.25/367,622.69 = 147,161.25/x
  3. Step 3: Cross multiply
    266,393.25x = 367,622.69 × 147,161.25
  4. Step 4: Simplify right side
    266,393.25x = 54,099,813,852.96
  5. Step 5: Solve for x
    x = 54,099,813,852.96/266,393.25
  6. Step 6: Final answer
    x = 203,082.53

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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.