Finding the Fourth Proportional to 248,976.88, 343,592.76 and 135,803.68
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Solution
The fourth proportional to 248,976.88, 343,592.76 and 135,803.68 is: 187,411.62
Step by Step Solution
- Step 1: Write the proportion equation
248,976.88 : 343,592.76 = 135,803.68 : x - Step 2: Convert to fraction form
248,976.88/343,592.76 = 135,803.68/x - Step 3: Cross multiply
248,976.88x = 343,592.76 × 135,803.68 - Step 4: Simplify right side
248,976.88x = 46,661,161,229.36 - Step 5: Solve for x
x = 46,661,161,229.36/248,976.88 - Step 6: Final answer
x = 187,411.62
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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.