Home / 290,650.57-401,135.37-163,326.18

Finding the Fourth Proportional to 290,650.57, 401,135.37 and 163,326.18

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Solution

The fourth proportional to 290,650.57, 401,135.37 and 163,326.18 is: 225,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,650.57 : 401,135.37 = 163,326.18 : x
  2. Step 2: Convert to fraction form
    290,650.57/401,135.37 = 163,326.18/x
  3. Step 3: Cross multiply
    290,650.57x = 401,135.37 × 163,326.18
  4. Step 4: Simplify right side
    290,650.57x = 65,515,907,644.99
  5. Step 5: Solve for x
    x = 65,515,907,644.99/290,650.57
  6. Step 6: Final answer
    x = 225,411.25

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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.