Home / 347,143.44-520,719.48-110,485.20

Finding the Fourth Proportional to 347,143.44, 520,719.48 and 110,485.20

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Solution

The fourth proportional to 347,143.44, 520,719.48 and 110,485.20 is: 165,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,143.44 : 520,719.48 = 110,485.20 : x
  2. Step 2: Convert to fraction form
    347,143.44/520,719.48 = 110,485.20/x
  3. Step 3: Cross multiply
    347,143.44x = 520,719.48 × 110,485.20
  4. Step 4: Simplify right side
    347,143.44x = 57,531,795,891.70
  5. Step 5: Solve for x
    x = 57,531,795,891.70/347,143.44
  6. Step 6: Final answer
    x = 165,729.17

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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.