Home / 259,842.41-389,886.99-180,003.25

Finding the Fourth Proportional to 259,842.41, 389,886.99 and 180,003.25

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Solution

The fourth proportional to 259,842.41, 389,886.99 and 180,003.25 is: 270,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,842.41 : 389,886.99 = 180,003.25 : x
  2. Step 2: Convert to fraction form
    259,842.41/389,886.99 = 180,003.25/x
  3. Step 3: Cross multiply
    259,842.41x = 389,886.99 × 180,003.25
  4. Step 4: Simplify right side
    259,842.41x = 70,180,922,951.95
  5. Step 5: Solve for x
    x = 70,180,922,951.95/259,842.41
  6. Step 6: Final answer
    x = 270,090.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.