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Finding the Fourth Proportional to 353,229.69, 529,647.69 and 116,508.81

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Solution

The fourth proportional to 353,229.69, 529,647.69 and 116,508.81 is: 174,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,229.69 : 529,647.69 = 116,508.81 : x
  2. Step 2: Convert to fraction form
    353,229.69/529,647.69 = 116,508.81/x
  3. Step 3: Cross multiply
    353,229.69x = 529,647.69 × 116,508.81
  4. Step 4: Simplify right side
    353,229.69x = 61,708,622,081.15
  5. Step 5: Solve for x
    x = 61,708,622,081.15/353,229.69
  6. Step 6: Final answer
    x = 174,698.29

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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.