Home / 266,938.22-400,218.33-133,723.46

Finding the Fourth Proportional to 266,938.22, 400,218.33 and 133,723.46

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Solution

The fourth proportional to 266,938.22, 400,218.33 and 133,723.46 is: 200,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,938.22 : 400,218.33 = 133,723.46 : x
  2. Step 2: Convert to fraction form
    266,938.22/400,218.33 = 133,723.46/x
  3. Step 3: Cross multiply
    266,938.22x = 400,218.33 × 133,723.46
  4. Step 4: Simplify right side
    266,938.22x = 53,518,579,843.02
  5. Step 5: Solve for x
    x = 53,518,579,843.02/266,938.22
  6. Step 6: Final answer
    x = 200,490.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.