Home / 227,008.22-313,223.82-131,509.22

Finding the Fourth Proportional to 227,008.22, 313,223.82 and 131,509.22

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Solution

The fourth proportional to 227,008.22, 313,223.82 and 131,509.22 is: 181,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,008.22 : 313,223.82 = 131,509.22 : x
  2. Step 2: Convert to fraction form
    227,008.22/313,223.82 = 131,509.22/x
  3. Step 3: Cross multiply
    227,008.22x = 313,223.82 × 131,509.22
  4. Step 4: Simplify right side
    227,008.22x = 41,191,820,253.62
  5. Step 5: Solve for x
    x = 41,191,820,253.62/227,008.22
  6. Step 6: Final answer
    x = 181,455.19

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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.