Home / 380,131.53-524,640.39-216,788.37

Finding the Fourth Proportional to 380,131.53, 524,640.39 and 216,788.37

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Solution

The fourth proportional to 380,131.53, 524,640.39 and 216,788.37 is: 299,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,131.53 : 524,640.39 = 216,788.37 : x
  2. Step 2: Convert to fraction form
    380,131.53/524,640.39 = 216,788.37/x
  3. Step 3: Cross multiply
    380,131.53x = 524,640.39 × 216,788.37
  4. Step 4: Simplify right side
    380,131.53x = 113,735,934,984.26
  5. Step 5: Solve for x
    x = 113,735,934,984.26/380,131.53
  6. Step 6: Final answer
    x = 299,201.53

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1.5x scale

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.