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Finding the Fourth Proportional to 266,725.96, 367,908.42 and 171,081.16

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Solution

The fourth proportional to 266,725.96, 367,908.42 and 171,081.16 is: 235,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,725.96 : 367,908.42 = 171,081.16 : x
  2. Step 2: Convert to fraction form
    266,725.96/367,908.42 = 171,081.16/x
  3. Step 3: Cross multiply
    266,725.96x = 367,908.42 × 171,081.16
  4. Step 4: Simplify right side
    266,725.96x = 62,942,199,267.37
  5. Step 5: Solve for x
    x = 62,942,199,267.37/266,725.96
  6. Step 6: Final answer
    x = 235,980.78

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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.