Home / 290,571.48-400,998.96-163,244.52

Finding the Fourth Proportional to 290,571.48, 400,998.96 and 163,244.52

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Solution

The fourth proportional to 290,571.48, 400,998.96 and 163,244.52 is: 225,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,571.48 : 400,998.96 = 163,244.52 : x
  2. Step 2: Convert to fraction form
    290,571.48/400,998.96 = 163,244.52/x
  3. Step 3: Cross multiply
    290,571.48x = 400,998.96 × 163,244.52
  4. Step 4: Simplify right side
    290,571.48x = 65,460,882,745.70
  5. Step 5: Solve for x
    x = 65,460,882,745.70/290,571.48
  6. Step 6: Final answer
    x = 225,283.23

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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.