Home / 379,313.16-523,467.24-218,168.04

Finding the Fourth Proportional to 379,313.16, 523,467.24 and 218,168.04

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Solution

The fourth proportional to 379,313.16, 523,467.24 and 218,168.04 is: 301,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,313.16 : 523,467.24 = 218,168.04 : x
  2. Step 2: Convert to fraction form
    379,313.16/523,467.24 = 218,168.04/x
  3. Step 3: Cross multiply
    379,313.16x = 523,467.24 × 218,168.04
  4. Step 4: Simplify right side
    379,313.16x = 114,203,821,755.01
  5. Step 5: Solve for x
    x = 114,203,821,755.01/379,313.16
  6. Step 6: Final answer
    x = 301,080.57

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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.