Home / 400,110.36-552,129.96-218,786.28

Finding the Fourth Proportional to 400,110.36, 552,129.96 and 218,786.28

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Solution

The fourth proportional to 400,110.36, 552,129.96 and 218,786.28 is: 301,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,110.36 : 552,129.96 = 218,786.28 : x
  2. Step 2: Convert to fraction form
    400,110.36/552,129.96 = 218,786.28/x
  3. Step 3: Cross multiply
    400,110.36x = 552,129.96 × 218,786.28
  4. Step 4: Simplify right side
    400,110.36x = 120,798,460,024.95
  5. Step 5: Solve for x
    x = 120,798,460,024.95/400,110.36
  6. Step 6: Final answer
    x = 301,912.85

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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.