Home / 270,136.53-372,778.38-149,275.31

Finding the Fourth Proportional to 270,136.53, 372,778.38 and 149,275.31

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Solution

The fourth proportional to 270,136.53, 372,778.38 and 149,275.31 is: 205,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,136.53 : 372,778.38 = 149,275.31 : x
  2. Step 2: Convert to fraction form
    270,136.53/372,778.38 = 149,275.31/x
  3. Step 3: Cross multiply
    270,136.53x = 372,778.38 × 149,275.31
  4. Step 4: Simplify right side
    270,136.53x = 55,646,606,371.91
  5. Step 5: Solve for x
    x = 55,646,606,371.91/270,136.53
  6. Step 6: Final answer
    x = 205,994.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.