Home / 231,450.04-346,778.70-126,342.64

Finding the Fourth Proportional to 231,450.04, 346,778.70 and 126,342.64

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Solution

The fourth proportional to 231,450.04, 346,778.70 and 126,342.64 is: 189,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,450.04 : 346,778.70 = 126,342.64 : x
  2. Step 2: Convert to fraction form
    231,450.04/346,778.70 = 126,342.64/x
  3. Step 3: Cross multiply
    231,450.04x = 346,778.70 × 126,342.64
  4. Step 4: Simplify right side
    231,450.04x = 43,812,936,453.77
  5. Step 5: Solve for x
    x = 43,812,936,453.77/231,450.04
  6. Step 6: Final answer
    x = 189,297.60

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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.