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Finding the Fourth Proportional to 286,622.82, 395,535.56 and 159,295.68

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Solution

The fourth proportional to 286,622.82, 395,535.56 and 159,295.68 is: 219,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,622.82 : 395,535.56 = 159,295.68 : x
  2. Step 2: Convert to fraction form
    286,622.82/395,535.56 = 159,295.68/x
  3. Step 3: Cross multiply
    286,622.82x = 395,535.56 × 159,295.68
  4. Step 4: Simplify right side
    286,622.82x = 63,007,105,197.90
  5. Step 5: Solve for x
    x = 63,007,105,197.90/286,622.82
  6. Step 6: Final answer
    x = 219,825.85

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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.