Home / 290,979.44-401,323.76-189,037.52

Finding the Fourth Proportional to 290,979.44, 401,323.76 and 189,037.52

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Solution

The fourth proportional to 290,979.44, 401,323.76 and 189,037.52 is: 260,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,979.44 : 401,323.76 = 189,037.52 : x
  2. Step 2: Convert to fraction form
    290,979.44/401,323.76 = 189,037.52/x
  3. Step 3: Cross multiply
    290,979.44x = 401,323.76 × 189,037.52
  4. Step 4: Simplify right side
    290,979.44x = 75,865,249,761.58
  5. Step 5: Solve for x
    x = 75,865,249,761.58/290,979.44
  6. Step 6: Final answer
    x = 260,723.75

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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.