Home / 400,436.13-552,594.47-219,144.42

Finding the Fourth Proportional to 400,436.13, 552,594.47 and 219,144.42

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Solution

The fourth proportional to 400,436.13, 552,594.47 and 219,144.42 is: 302,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,436.13 : 552,594.47 = 219,144.42 : x
  2. Step 2: Convert to fraction form
    400,436.13/552,594.47 = 219,144.42/x
  3. Step 3: Cross multiply
    400,436.13x = 552,594.47 × 219,144.42
  4. Step 4: Simplify right side
    400,436.13x = 121,097,990,764.66
  5. Step 5: Solve for x
    x = 121,097,990,764.66/400,436.13
  6. Step 6: Final answer
    x = 302,415.25

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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.