Finding the Fourth Proportional to 218,822.49, 301,966.26 and 123,348.99
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Solution
The fourth proportional to 218,822.49, 301,966.26 and 123,348.99 is: 170,216.66
Step by Step Solution
- Step 1: Write the proportion equation
218,822.49 : 301,966.26 = 123,348.99 : x - Step 2: Convert to fraction form
218,822.49/301,966.26 = 123,348.99/x - Step 3: Cross multiply
218,822.49x = 301,966.26 × 123,348.99 - Step 4: Simplify right side
218,822.49x = 37,247,233,185.08 - Step 5: Solve for x
x = 37,247,233,185.08/218,822.49 - Step 6: Final answer
x = 170,216.66
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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.