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Finding the Fourth Proportional to 451,089, 622,502.82 and 269,808.57

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Solution

The fourth proportional to 451,089, 622,502.82 and 269,808.57 is: 372,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,089 : 622,502.82 = 269,808.57 : x
  2. Step 2: Convert to fraction form
    451,089/622,502.82 = 269,808.57/x
  3. Step 3: Cross multiply
    451,089x = 622,502.82 × 269,808.57
  4. Step 4: Simplify right side
    451,089x = 167,956,595,685.17
  5. Step 5: Solve for x
    x = 167,956,595,685.17/451,089
  6. Step 6: Final answer
    x = 372,335.83

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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.