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Finding the Fourth Proportional to 286,775.96, 395,748.42 and 159,450.44

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Solution

The fourth proportional to 286,775.96, 395,748.42 and 159,450.44 is: 220,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,775.96 : 395,748.42 = 159,450.44 : x
  2. Step 2: Convert to fraction form
    286,775.96/395,748.42 = 159,450.44/x
  3. Step 3: Cross multiply
    286,775.96x = 395,748.42 × 159,450.44
  4. Step 4: Simplify right side
    286,775.96x = 63,102,259,698.30
  5. Step 5: Solve for x
    x = 63,102,259,698.30/286,775.96
  6. Step 6: Final answer
    x = 220,040.27

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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.