Home / 286,942.35-430,577.55-109,576.65

Finding the Fourth Proportional to 286,942.35, 430,577.55 and 109,576.65

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Solution

The fourth proportional to 286,942.35, 430,577.55 and 109,576.65 is: 164,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,942.35 : 430,577.55 = 109,576.65 : x
  2. Step 2: Convert to fraction form
    286,942.35/430,577.55 = 109,576.65/x
  3. Step 3: Cross multiply
    286,942.35x = 430,577.55 × 109,576.65
  4. Step 4: Simplify right side
    286,942.35x = 47,181,245,494.21
  5. Step 5: Solve for x
    x = 47,181,245,494.21/286,942.35
  6. Step 6: Final answer
    x = 164,427.61

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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.