Home / 227,289.12-313,661.21-125,318.22

Finding the Fourth Proportional to 227,289.12, 313,661.21 and 125,318.22

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Solution

The fourth proportional to 227,289.12, 313,661.21 and 125,318.22 is: 172,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,289.12 : 313,661.21 = 125,318.22 : x
  2. Step 2: Convert to fraction form
    227,289.12/313,661.21 = 125,318.22/x
  3. Step 3: Cross multiply
    227,289.12x = 313,661.21 × 125,318.22
  4. Step 4: Simplify right side
    227,289.12x = 39,307,463,893.66
  5. Step 5: Solve for x
    x = 39,307,463,893.66/227,289.12
  6. Step 6: Final answer
    x = 172,940.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.