Home / 380,196.20-524,695.11-219,048.32

Finding the Fourth Proportional to 380,196.20, 524,695.11 and 219,048.32

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Solution

The fourth proportional to 380,196.20, 524,695.11 and 219,048.32 is: 302,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,196.20 : 524,695.11 = 219,048.32 : x
  2. Step 2: Convert to fraction form
    380,196.20/524,695.11 = 219,048.32/x
  3. Step 3: Cross multiply
    380,196.20x = 524,695.11 × 219,048.32
  4. Step 4: Simplify right side
    380,196.20x = 114,933,582,357.72
  5. Step 5: Solve for x
    x = 114,933,582,357.72/380,196.20
  6. Step 6: Final answer
    x = 302,300.71

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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.