Home / 286,819.92-395,764.92-159,492.24

Finding the Fourth Proportional to 286,819.92, 395,764.92 and 159,492.24

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Solution

The fourth proportional to 286,819.92, 395,764.92 and 159,492.24 is: 220,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,819.92 : 395,764.92 = 159,492.24 : x
  2. Step 2: Convert to fraction form
    286,819.92/395,764.92 = 159,492.24/x
  3. Step 3: Cross multiply
    286,819.92x = 395,764.92 × 159,492.24
  4. Step 4: Simplify right side
    286,819.92x = 63,121,433,604.22
  5. Step 5: Solve for x
    x = 63,121,433,604.22/286,819.92
  6. Step 6: Final answer
    x = 220,073.40

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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.