Home / 400,393.06-552,542.47-219,105.03

Finding the Fourth Proportional to 400,393.06, 552,542.47 and 219,105.03

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Solution

The fourth proportional to 400,393.06, 552,542.47 and 219,105.03 is: 302,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,393.06 : 552,542.47 = 219,105.03 : x
  2. Step 2: Convert to fraction form
    400,393.06/552,542.47 = 219,105.03/x
  3. Step 3: Cross multiply
    400,393.06x = 552,542.47 × 219,105.03
  4. Step 4: Simplify right side
    400,393.06x = 121,064,834,465.62
  5. Step 5: Solve for x
    x = 121,064,834,465.62/400,393.06
  6. Step 6: Final answer
    x = 302,364.97

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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.