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Finding the Fourth Proportional to 266,674.28, 368,044.36 and 151,994.14

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Solution

The fourth proportional to 266,674.28, 368,044.36 and 151,994.14 is: 209,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,674.28 : 368,044.36 = 151,994.14 : x
  2. Step 2: Convert to fraction form
    266,674.28/368,044.36 = 151,994.14/x
  3. Step 3: Cross multiply
    266,674.28x = 368,044.36 × 151,994.14
  4. Step 4: Simplify right side
    266,674.28x = 55,940,584,679.95
  5. Step 5: Solve for x
    x = 55,940,584,679.95/266,674.28
  6. Step 6: Final answer
    x = 209,771.21

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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.