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Finding the Fourth Proportional to 266,185.78, 367,331.54 and 151,461.94

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Solution

The fourth proportional to 266,185.78, 367,331.54 and 151,461.94 is: 209,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,185.78 : 367,331.54 = 151,461.94 : x
  2. Step 2: Convert to fraction form
    266,185.78/367,331.54 = 151,461.94/x
  3. Step 3: Cross multiply
    266,185.78x = 367,331.54 × 151,461.94
  4. Step 4: Simplify right side
    266,185.78x = 55,636,747,671.59
  5. Step 5: Solve for x
    x = 55,636,747,671.59/266,185.78
  6. Step 6: Final answer
    x = 209,014.73

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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.