Finding the Fourth Proportional to 115,261.49, 172,850.62 and 48,706.76
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Solution
The fourth proportional to 115,261.49, 172,850.62 and 48,706.76 is: 73,042.55
Step by Step Solution
- Step 1: Write the proportion equation
115,261.49 : 172,850.62 = 48,706.76 : x - Step 2: Convert to fraction form
115,261.49/172,850.62 = 48,706.76/x - Step 3: Cross multiply
115,261.49x = 172,850.62 × 48,706.76 - Step 4: Simplify right side
115,261.49x = 8,418,993,664.19 - Step 5: Solve for x
x = 8,418,993,664.19/115,261.49 - Step 6: Final answer
x = 73,042.55
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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.