Finding the Fourth Proportional to 371,232.10, 512,211.72 and 226,036.18
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Solution
The fourth proportional to 371,232.10, 512,211.72 and 226,036.18 is: 311,875.99
Step by Step Solution
- Step 1: Write the proportion equation
371,232.10 : 512,211.72 = 226,036.18 : x - Step 2: Convert to fraction form
371,232.10/512,211.72 = 226,036.18/x - Step 3: Cross multiply
371,232.10x = 512,211.72 × 226,036.18 - Step 4: Simplify right side
371,232.10x = 115,778,380,540.03 - Step 5: Solve for x
x = 115,778,380,540.03/371,232.10 - Step 6: Final answer
x = 311,875.99
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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.