Home / 290,577.48-401,007.24-163,250.52

Finding the Fourth Proportional to 290,577.48, 401,007.24 and 163,250.52

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Solution

The fourth proportional to 290,577.48, 401,007.24 and 163,250.52 is: 225,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,577.48 : 401,007.24 = 163,250.52 : x
  2. Step 2: Convert to fraction form
    290,577.48/401,007.24 = 163,250.52/x
  3. Step 3: Cross multiply
    290,577.48x = 401,007.24 × 163,250.52
  4. Step 4: Simplify right side
    290,577.48x = 65,464,640,453.76
  5. Step 5: Solve for x
    x = 65,464,640,453.76/290,577.48
  6. Step 6: Final answer
    x = 225,291.51

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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.