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Finding the Fourth Proportional to 324,955.40, 448,435.38 and 181,713.80

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Solution

The fourth proportional to 324,955.40, 448,435.38 and 181,713.80 is: 250,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,955.40 : 448,435.38 = 181,713.80 : x
  2. Step 2: Convert to fraction form
    324,955.40/448,435.38 = 181,713.80/x
  3. Step 3: Cross multiply
    324,955.40x = 448,435.38 × 181,713.80
  4. Step 4: Simplify right side
    324,955.40x = 81,486,896,954.24
  5. Step 5: Solve for x
    x = 81,486,896,954.24/324,955.40
  6. Step 6: Final answer
    x = 250,763.33

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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.