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Finding the Fourth Proportional to 404,505.80, 606,977.40 and 179,900.90

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Solution

The fourth proportional to 404,505.80, 606,977.40 and 179,900.90 is: 269,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,505.80 : 606,977.40 = 179,900.90 : x
  2. Step 2: Convert to fraction form
    404,505.80/606,977.40 = 179,900.90/x
  3. Step 3: Cross multiply
    404,505.80x = 606,977.40 × 179,900.90
  4. Step 4: Simplify right side
    404,505.80x = 109,195,780,539.66
  5. Step 5: Solve for x
    x = 109,195,780,539.66/404,505.80
  6. Step 6: Final answer
    x = 269,948.62

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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.