Home / 404,690.28-607,039.20-179,989.80

Finding the Fourth Proportional to 404,690.28, 607,039.20 and 179,989.80

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Solution

The fourth proportional to 404,690.28, 607,039.20 and 179,989.80 is: 269,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,690.28 : 607,039.20 = 179,989.80 : x
  2. Step 2: Convert to fraction form
    404,690.28/607,039.20 = 179,989.80/x
  3. Step 3: Cross multiply
    404,690.28x = 607,039.20 × 179,989.80
  4. Step 4: Simplify right side
    404,690.28x = 109,260,864,200.16
  5. Step 5: Solve for x
    x = 109,260,864,200.16/404,690.28
  6. Step 6: Final answer
    x = 269,986.38

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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.