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Finding the Fourth Proportional to 266,939.22, 368,376.14 and 146,080.52

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Solution

The fourth proportional to 266,939.22, 368,376.14 and 146,080.52 is: 201,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,939.22 : 368,376.14 = 146,080.52 : x
  2. Step 2: Convert to fraction form
    266,939.22/368,376.14 = 146,080.52/x
  3. Step 3: Cross multiply
    266,939.22x = 368,376.14 × 146,080.52
  4. Step 4: Simplify right side
    266,939.22x = 53,812,578,086.79
  5. Step 5: Solve for x
    x = 53,812,578,086.79/266,939.22
  6. Step 6: Final answer
    x = 201,591.13

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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.