Finding the Fourth Proportional to 373,319.19, 515,181.00 and 203,553.32
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Solution
The fourth proportional to 373,319.19, 515,181.00 and 203,553.32 is: 280,903.86
Step by Step Solution
- Step 1: Write the proportion equation
373,319.19 : 515,181.00 = 203,553.32 : x - Step 2: Convert to fraction form
373,319.19/515,181.00 = 203,553.32/x - Step 3: Cross multiply
373,319.19x = 515,181.00 × 203,553.32 - Step 4: Simplify right side
373,319.19x = 104,866,800,431.58 - Step 5: Solve for x
x = 104,866,800,431.58/373,319.19 - Step 6: Final answer
x = 280,903.86
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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.