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Finding the Fourth Proportional to 328,570.36, 453,426.78 and 177,667

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Solution

The fourth proportional to 328,570.36, 453,426.78 and 177,667 is: 245,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,570.36 : 453,426.78 = 177,667 : x
  2. Step 2: Convert to fraction form
    328,570.36/453,426.78 = 177,667/x
  3. Step 3: Cross multiply
    328,570.36x = 453,426.78 × 177,667
  4. Step 4: Simplify right side
    328,570.36x = 80,558,975,722.26
  5. Step 5: Solve for x
    x = 80,558,975,722.26/328,570.36
  6. Step 6: Final answer
    x = 245,180.29

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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.