Home / 325,120.78-448,667.34-181,883.22

Finding the Fourth Proportional to 325,120.78, 448,667.34 and 181,883.22

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Solution

The fourth proportional to 325,120.78, 448,667.34 and 181,883.22 is: 250,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,120.78 : 448,667.34 = 181,883.22 : x
  2. Step 2: Convert to fraction form
    325,120.78/448,667.34 = 181,883.22/x
  3. Step 3: Cross multiply
    325,120.78x = 448,667.34 × 181,883.22
  4. Step 4: Simplify right side
    325,120.78x = 81,605,060,508.03
  5. Step 5: Solve for x
    x = 81,605,060,508.03/325,120.78
  6. Step 6: Final answer
    x = 250,999.21

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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.