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Finding the Fourth Proportional to 286,992.37, 395,884.55 and 179,375.63

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Solution

The fourth proportional to 286,992.37, 395,884.55 and 179,375.63 is: 247,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,992.37 : 395,884.55 = 179,375.63 : x
  2. Step 2: Convert to fraction form
    286,992.37/395,884.55 = 179,375.63/x
  3. Step 3: Cross multiply
    286,992.37x = 395,884.55 × 179,375.63
  4. Step 4: Simplify right side
    286,992.37x = 71,012,039,666.64
  5. Step 5: Solve for x
    x = 71,012,039,666.64/286,992.37
  6. Step 6: Final answer
    x = 247,435.29

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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.