Home / 400,399.24-552,550.99-219,111.16

Finding the Fourth Proportional to 400,399.24, 552,550.99 and 219,111.16

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Solution

The fourth proportional to 400,399.24, 552,550.99 and 219,111.16 is: 302,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,399.24 : 552,550.99 = 219,111.16 : x
  2. Step 2: Convert to fraction form
    400,399.24/552,550.99 = 219,111.16/x
  3. Step 3: Cross multiply
    400,399.24x = 552,550.99 × 219,111.16
  4. Step 4: Simplify right side
    400,399.24x = 121,070,088,378.05
  5. Step 5: Solve for x
    x = 121,070,088,378.05/400,399.24
  6. Step 6: Final answer
    x = 302,373.42

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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.