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Finding the Fourth Proportional to 266,039.56, 367,197.42 and 152,927.92

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Solution

The fourth proportional to 266,039.56, 367,197.42 and 152,927.92 is: 211,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,039.56 : 367,197.42 = 152,927.92 : x
  2. Step 2: Convert to fraction form
    266,039.56/367,197.42 = 152,927.92/x
  3. Step 3: Cross multiply
    266,039.56x = 367,197.42 × 152,927.92
  4. Step 4: Simplify right side
    266,039.56x = 56,154,737,669.97
  5. Step 5: Solve for x
    x = 56,154,737,669.97/266,039.56
  6. Step 6: Final answer
    x = 211,076.64

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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.