Home / 400,453.92-552,619.04-219,162.24

Finding the Fourth Proportional to 400,453.92, 552,619.04 and 219,162.24

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Solution

The fourth proportional to 400,453.92, 552,619.04 and 219,162.24 is: 302,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,453.92 : 552,619.04 = 219,162.24 : x
  2. Step 2: Convert to fraction form
    400,453.92/552,619.04 = 219,162.24/x
  3. Step 3: Cross multiply
    400,453.92x = 552,619.04 × 219,162.24
  4. Step 4: Simplify right side
    400,453.92x = 121,113,225,577.24
  5. Step 5: Solve for x
    x = 121,113,225,577.24/400,453.92
  6. Step 6: Final answer
    x = 302,439.86

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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.