Finding the Fourth Proportional to 311,874.90, 467,812.35 and 112,201.80
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Solution
The fourth proportional to 311,874.90, 467,812.35 and 112,201.80 is: 168,302.70
Step by Step Solution
- Step 1: Write the proportion equation
311,874.90 : 467,812.35 = 112,201.80 : x - Step 2: Convert to fraction form
311,874.90/467,812.35 = 112,201.80/x - Step 3: Cross multiply
311,874.90x = 467,812.35 × 112,201.80 - Step 4: Simplify right side
311,874.90x = 52,489,387,732.23 - Step 5: Solve for x
x = 52,489,387,732.23/311,874.90 - Step 6: Final answer
x = 168,302.70
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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.