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Finding the Fourth Proportional to 201,617.80, 302,426.70 and 179,456.20

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Solution

The fourth proportional to 201,617.80, 302,426.70 and 179,456.20 is: 269,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,617.80 : 302,426.70 = 179,456.20 : x
  2. Step 2: Convert to fraction form
    201,617.80/302,426.70 = 179,456.20/x
  3. Step 3: Cross multiply
    201,617.80x = 302,426.70 × 179,456.20
  4. Step 4: Simplify right side
    201,617.80x = 54,272,346,360.54
  5. Step 5: Solve for x
    x = 54,272,346,360.54/201,617.80
  6. Step 6: Final answer
    x = 269,184.30

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1.5x scale

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.