Home / 291,263.58-402,067.62-195,825.60

Finding the Fourth Proportional to 291,263.58, 402,067.62 and 195,825.60

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Solution

The fourth proportional to 291,263.58, 402,067.62 and 195,825.60 is: 270,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,263.58 : 402,067.62 = 195,825.60 : x
  2. Step 2: Convert to fraction form
    291,263.58/402,067.62 = 195,825.60/x
  3. Step 3: Cross multiply
    291,263.58x = 402,067.62 × 195,825.60
  4. Step 4: Simplify right side
    291,263.58x = 78,735,132,927.07
  5. Step 5: Solve for x
    x = 78,735,132,927.07/291,263.58
  6. Step 6: Final answer
    x = 270,322.62

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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.