Finding the Fourth Proportional to 157,891.05, 236,852.52 and 51,270.54
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Solution
The fourth proportional to 157,891.05, 236,852.52 and 51,270.54 is: 76,910.99
Step by Step Solution
- Step 1: Write the proportion equation
157,891.05 : 236,852.52 = 51,270.54 : x - Step 2: Convert to fraction form
157,891.05/236,852.52 = 51,270.54/x - Step 3: Cross multiply
157,891.05x = 236,852.52 × 51,270.54 - Step 4: Simplify right side
157,891.05x = 12,143,556,600.76 - Step 5: Solve for x
x = 12,143,556,600.76/157,891.05 - Step 6: Final answer
x = 76,910.99
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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.