Finding the Fourth Proportional to 248,979.88, 343,596.90 and 135,806.68
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Solution
The fourth proportional to 248,979.88, 343,596.90 and 135,806.68 is: 187,415.76
Step by Step Solution
- Step 1: Write the proportion equation
248,979.88 : 343,596.90 = 135,806.68 : x - Step 2: Convert to fraction form
248,979.88/343,596.90 = 135,806.68/x - Step 3: Cross multiply
248,979.88x = 343,596.90 × 135,806.68 - Step 4: Simplify right side
248,979.88x = 46,662,754,247.29 - Step 5: Solve for x
x = 46,662,754,247.29/248,979.88 - Step 6: Final answer
x = 187,415.76
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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.