Finding the Fourth Proportional to 271,137.08, 406,703.57 and 81,596.63
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Solution
The fourth proportional to 271,137.08, 406,703.57 and 81,596.63 is: 122,394.32
Step by Step Solution
- Step 1: Write the proportion equation
271,137.08 : 406,703.57 = 81,596.63 : x - Step 2: Convert to fraction form
271,137.08/406,703.57 = 81,596.63/x - Step 3: Cross multiply
271,137.08x = 406,703.57 × 81,596.63 - Step 4: Simplify right side
271,137.08x = 33,185,638,279.47 - Step 5: Solve for x
x = 33,185,638,279.47/271,137.08 - Step 6: Final answer
x = 122,394.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.