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Finding the Fourth Proportional to 230,365.76, 345,100.30 and 130,223.03

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Solution

The fourth proportional to 230,365.76, 345,100.30 and 130,223.03 is: 195,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,365.76 : 345,100.30 = 130,223.03 : x
  2. Step 2: Convert to fraction form
    230,365.76/345,100.30 = 130,223.03/x
  3. Step 3: Cross multiply
    230,365.76x = 345,100.30 × 130,223.03
  4. Step 4: Simplify right side
    230,365.76x = 44,940,004,668.85
  5. Step 5: Solve for x
    x = 44,940,004,668.85/230,365.76
  6. Step 6: Final answer
    x = 195,081.10

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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.