Home / 290,400.24-400,729.44-163,051.20

Finding the Fourth Proportional to 290,400.24, 400,729.44 and 163,051.20

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Solution

The fourth proportional to 290,400.24, 400,729.44 and 163,051.20 is: 224,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,400.24 : 400,729.44 = 163,051.20 : x
  2. Step 2: Convert to fraction form
    290,400.24/400,729.44 = 163,051.20/x
  3. Step 3: Cross multiply
    290,400.24x = 400,729.44 × 163,051.20
  4. Step 4: Simplify right side
    290,400.24x = 65,339,416,067.33
  5. Step 5: Solve for x
    x = 65,339,416,067.33/290,400.24
  6. Step 6: Final answer
    x = 224,997.80

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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.