Home / 380,190.08-524,793.40-219,109.44

Finding the Fourth Proportional to 380,190.08, 524,793.40 and 219,109.44

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Solution

The fourth proportional to 380,190.08, 524,793.40 and 219,109.44 is: 302,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,190.08 : 524,793.40 = 219,109.44 : x
  2. Step 2: Convert to fraction form
    380,190.08/524,793.40 = 219,109.44/x
  3. Step 3: Cross multiply
    380,190.08x = 524,793.40 × 219,109.44
  4. Step 4: Simplify right side
    380,190.08x = 114,987,187,989.70
  5. Step 5: Solve for x
    x = 114,987,187,989.70/380,190.08
  6. Step 6: Final answer
    x = 302,446.58

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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.