Home / 286,829.76-395,819.76-159,504.24

Finding the Fourth Proportional to 286,829.76, 395,819.76 and 159,504.24

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Solution

The fourth proportional to 286,829.76, 395,819.76 and 159,504.24 is: 220,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,829.76 : 395,819.76 = 159,504.24 : x
  2. Step 2: Convert to fraction form
    286,829.76/395,819.76 = 159,504.24/x
  3. Step 3: Cross multiply
    286,829.76x = 395,819.76 × 159,504.24
  4. Step 4: Simplify right side
    286,829.76x = 63,134,929,995.78
  5. Step 5: Solve for x
    x = 63,134,929,995.78/286,829.76
  6. Step 6: Final answer
    x = 220,112.90

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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.