Finding the Fourth Proportional to 164,642.87, 227,211.59 and 93,021.37
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Solution
The fourth proportional to 164,642.87, 227,211.59 and 93,021.37 is: 128,371.99
Step by Step Solution
- Step 1: Write the proportion equation
164,642.87 : 227,211.59 = 93,021.37 : x - Step 2: Convert to fraction form
164,642.87/227,211.59 = 93,021.37/x - Step 3: Cross multiply
164,642.87x = 227,211.59 × 93,021.37 - Step 4: Simplify right side
164,642.87x = 21,135,533,046.20 - Step 5: Solve for x
x = 21,135,533,046.20/164,642.87 - Step 6: Final answer
x = 128,371.99
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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.