Home / 380,441.06-524,989.68-219,286.34

Finding the Fourth Proportional to 380,441.06, 524,989.68 and 219,286.34

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Solution

The fourth proportional to 380,441.06, 524,989.68 and 219,286.34 is: 302,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,441.06 : 524,989.68 = 219,286.34 : x
  2. Step 2: Convert to fraction form
    380,441.06/524,989.68 = 219,286.34/x
  3. Step 3: Cross multiply
    380,441.06x = 524,989.68 × 219,286.34
  4. Step 4: Simplify right side
    380,441.06x = 115,123,065,464.97
  5. Step 5: Solve for x
    x = 115,123,065,464.97/380,441.06
  6. Step 6: Final answer
    x = 302,604.21

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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.