Home / 289,935.32-434,932.82-100,395.32

Finding the Fourth Proportional to 289,935.32, 434,932.82 and 100,395.32

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Solution

The fourth proportional to 289,935.32, 434,932.82 and 100,395.32 is: 150,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935.32 : 434,932.82 = 100,395.32 : x
  2. Step 2: Convert to fraction form
    289,935.32/434,932.82 = 100,395.32/x
  3. Step 3: Cross multiply
    289,935.32x = 434,932.82 × 100,395.32
  4. Step 4: Simplify right side
    289,935.32x = 43,665,217,906.97
  5. Step 5: Solve for x
    x = 43,665,217,906.97/289,935.32
  6. Step 6: Final answer
    x = 150,603.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.