Finding the Fourth Proportional to 373,268.80, 515,118.68 and 209,928.44
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Solution
The fourth proportional to 373,268.80, 515,118.68 and 209,928.44 is: 289,705.60
Step by Step Solution
- Step 1: Write the proportion equation
373,268.80 : 515,118.68 = 209,928.44 : x - Step 2: Convert to fraction form
373,268.80/515,118.68 = 209,928.44/x - Step 3: Cross multiply
373,268.80x = 515,118.68 × 209,928.44 - Step 4: Simplify right side
373,268.80x = 108,138,060,907.26 - Step 5: Solve for x
x = 108,138,060,907.26/373,268.80 - Step 6: Final answer
x = 289,705.60
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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.