Home / 275,023.27-412,431.22-115,110.29

Finding the Fourth Proportional to 275,023.27, 412,431.22 and 115,110.29

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Solution

The fourth proportional to 275,023.27, 412,431.22 and 115,110.29 is: 172,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,023.27 : 412,431.22 = 115,110.29 : x
  2. Step 2: Convert to fraction form
    275,023.27/412,431.22 = 115,110.29/x
  3. Step 3: Cross multiply
    275,023.27x = 412,431.22 × 115,110.29
  4. Step 4: Simplify right side
    275,023.27x = 47,475,077,030.51
  5. Step 5: Solve for x
    x = 47,475,077,030.51/275,023.27
  6. Step 6: Final answer
    x = 172,622.03

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1.5x scale

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.