Finding the Fourth Proportional to 157,906.26, 236,809.17 and 45,556.02
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Solution
The fourth proportional to 157,906.26, 236,809.17 and 45,556.02 is: 68,319.54
Step by Step Solution
- Step 1: Write the proportion equation
157,906.26 : 236,809.17 = 45,556.02 : x - Step 2: Convert to fraction form
157,906.26/236,809.17 = 45,556.02/x - Step 3: Cross multiply
157,906.26x = 236,809.17 × 45,556.02 - Step 4: Simplify right side
157,906.26x = 10,788,083,284.70 - Step 5: Solve for x
x = 10,788,083,284.70/157,906.26 - Step 6: Final answer
x = 68,319.54
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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.