Home / 201,885.31-278,721.30-179,467.35

Finding the Fourth Proportional to 201,885.31, 278,721.30 and 179,467.35

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Solution

The fourth proportional to 201,885.31, 278,721.30 and 179,467.35 is: 247,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,885.31 : 278,721.30 = 179,467.35 : x
  2. Step 2: Convert to fraction form
    201,885.31/278,721.30 = 179,467.35/x
  3. Step 3: Cross multiply
    201,885.31x = 278,721.30 × 179,467.35
  4. Step 4: Simplify right side
    201,885.31x = 50,021,372,727.35
  5. Step 5: Solve for x
    x = 50,021,372,727.35/201,885.31
  6. Step 6: Final answer
    x = 247,771.23

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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.