Home / 275,829.78-412,973.81-149,015.67

Finding the Fourth Proportional to 275,829.78, 412,973.81 and 149,015.67

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Solution

The fourth proportional to 275,829.78, 412,973.81 and 149,015.67 is: 223,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,829.78 : 412,973.81 = 149,015.67 : x
  2. Step 2: Convert to fraction form
    275,829.78/412,973.81 = 149,015.67/x
  3. Step 3: Cross multiply
    275,829.78x = 412,973.81 × 149,015.67
  4. Step 4: Simplify right side
    275,829.78x = 61,539,568,244.52
  5. Step 5: Solve for x
    x = 61,539,568,244.52/275,829.78
  6. Step 6: Final answer
    x = 223,107.05

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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.