Finding the Fourth Proportional to 373,680.19, 515,680.08 and 203,914.32
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Solution
The fourth proportional to 373,680.19, 515,680.08 and 203,914.32 is: 281,402.54
Step by Step Solution
- Step 1: Write the proportion equation
373,680.19 : 515,680.08 = 203,914.32 : x - Step 2: Convert to fraction form
373,680.19/515,680.08 = 203,914.32/x - Step 3: Cross multiply
373,680.19x = 515,680.08 × 203,914.32 - Step 4: Simplify right side
373,680.19x = 105,154,552,850.75 - Step 5: Solve for x
x = 105,154,552,850.75/373,680.19 - Step 6: Final answer
x = 281,402.54
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1.5x scale
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.