Home / 341,721.20-512,727.60-164,136.80

Finding the Fourth Proportional to 341,721.20, 512,727.60 and 164,136.80

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Solution

The fourth proportional to 341,721.20, 512,727.60 and 164,136.80 is: 246,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,721.20 : 512,727.60 = 164,136.80 : x
  2. Step 2: Convert to fraction form
    341,721.20/512,727.60 = 164,136.80/x
  3. Step 3: Cross multiply
    341,721.20x = 512,727.60 × 164,136.80
  4. Step 4: Simplify right side
    341,721.20x = 84,157,467,535.68
  5. Step 5: Solve for x
    x = 84,157,467,535.68/341,721.20
  6. Step 6: Final answer
    x = 246,275.23

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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.