Finding the Fourth Proportional to 188,375.67, 259,963.97 and 107,829.09
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Solution
The fourth proportional to 188,375.67, 259,963.97 and 107,829.09 is: 148,807.32
Step by Step Solution
- Step 1: Write the proportion equation
188,375.67 : 259,963.97 = 107,829.09 : x - Step 2: Convert to fraction form
188,375.67/259,963.97 = 107,829.09/x - Step 3: Cross multiply
188,375.67x = 259,963.97 × 107,829.09 - Step 4: Simplify right side
188,375.67x = 28,031,677,778.74 - Step 5: Solve for x
x = 28,031,677,778.74/188,375.67 - Step 6: Final answer
x = 148,807.32
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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.