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Finding the Fourth Proportional to 201,641.80, 302,462.70 and 179,480.20

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Solution

The fourth proportional to 201,641.80, 302,462.70 and 179,480.20 is: 269,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,641.80 : 302,462.70 = 179,480.20 : x
  2. Step 2: Convert to fraction form
    201,641.80/302,462.70 = 179,480.20/x
  3. Step 3: Cross multiply
    201,641.80x = 302,462.70 × 179,480.20
  4. Step 4: Simplify right side
    201,641.80x = 54,286,065,888.54
  5. Step 5: Solve for x
    x = 54,286,065,888.54/201,641.80
  6. Step 6: Final answer
    x = 269,220.30

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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.