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Finding the Fourth Proportional to 347,077.24, 520,665.24 and 107,211.52

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Solution

The fourth proportional to 347,077.24, 520,665.24 and 107,211.52 is: 160,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,077.24 : 520,665.24 = 107,211.52 : x
  2. Step 2: Convert to fraction form
    347,077.24/520,665.24 = 107,211.52/x
  3. Step 3: Cross multiply
    347,077.24x = 520,665.24 × 107,211.52
  4. Step 4: Simplify right side
    347,077.24x = 55,821,314,007.28
  5. Step 5: Solve for x
    x = 55,821,314,007.28/347,077.24
  6. Step 6: Final answer
    x = 160,832.54

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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.