Finding the Fourth Proportional to 343,186.26, 473,436.84 and 215,932.02
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Solution
The fourth proportional to 343,186.26, 473,436.84 and 215,932.02 is: 297,885.39
Step by Step Solution
- Step 1: Write the proportion equation
343,186.26 : 473,436.84 = 215,932.02 : x - Step 2: Convert to fraction form
343,186.26/473,436.84 = 215,932.02/x - Step 3: Cross multiply
343,186.26x = 473,436.84 × 215,932.02 - Step 4: Simplify right side
343,186.26x = 102,230,173,203.62 - Step 5: Solve for x
x = 102,230,173,203.62/343,186.26 - Step 6: Final answer
x = 297,885.39
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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.