Home / 326,136.95-450,090.28-188,321.69

Finding the Fourth Proportional to 326,136.95, 450,090.28 and 188,321.69

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Solution

The fourth proportional to 326,136.95, 450,090.28 and 188,321.69 is: 259,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,136.95 : 450,090.28 = 188,321.69 : x
  2. Step 2: Convert to fraction form
    326,136.95/450,090.28 = 188,321.69/x
  3. Step 3: Cross multiply
    326,136.95x = 450,090.28 × 188,321.69
  4. Step 4: Simplify right side
    326,136.95x = 84,761,758,990.11
  5. Step 5: Solve for x
    x = 84,761,758,990.11/326,136.95
  6. Step 6: Final answer
    x = 259,896.22

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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.