Home / 286,845.44-395,816.32-159,500.48

Finding the Fourth Proportional to 286,845.44, 395,816.32 and 159,500.48

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Solution

The fourth proportional to 286,845.44, 395,816.32 and 159,500.48 is: 220,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,845.44 : 395,816.32 = 159,500.48 : x
  2. Step 2: Convert to fraction form
    286,845.44/395,816.32 = 159,500.48/x
  3. Step 3: Cross multiply
    286,845.44x = 395,816.32 × 159,500.48
  4. Step 4: Simplify right side
    286,845.44x = 63,132,893,031.83
  5. Step 5: Solve for x
    x = 63,132,893,031.83/286,845.44
  6. Step 6: Final answer
    x = 220,093.77

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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.