Finding the Fourth Proportional to 188,512.22, 260,140.26 and 103,628.68
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Solution
The fourth proportional to 188,512.22, 260,140.26 and 103,628.68 is: 143,003.95
Step by Step Solution
- Step 1: Write the proportion equation
188,512.22 : 260,140.26 = 103,628.68 : x - Step 2: Convert to fraction form
188,512.22/260,140.26 = 103,628.68/x - Step 3: Cross multiply
188,512.22x = 260,140.26 × 103,628.68 - Step 4: Simplify right side
188,512.22x = 26,957,991,758.66 - Step 5: Solve for x
x = 26,957,991,758.66/188,512.22 - Step 6: Final answer
x = 143,003.95
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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.