Home / 314,147.54-471,136.26-214,289.12

Finding the Fourth Proportional to 314,147.54, 471,136.26 and 214,289.12

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Solution

The fourth proportional to 314,147.54, 471,136.26 and 214,289.12 is: 321,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,147.54 : 471,136.26 = 214,289.12 : x
  2. Step 2: Convert to fraction form
    314,147.54/471,136.26 = 214,289.12/x
  3. Step 3: Cross multiply
    314,147.54x = 471,136.26 × 214,289.12
  4. Step 4: Simplify right side
    314,147.54x = 100,959,374,555.49
  5. Step 5: Solve for x
    x = 100,959,374,555.49/314,147.54
  6. Step 6: Final answer
    x = 321,375.66

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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.