Finding the Fourth Proportional to 373,406.49, 515,304.42 and 203,640.63
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Solution
The fourth proportional to 373,406.49, 515,304.42 and 203,640.63 is: 281,025.96
Step by Step Solution
- Step 1: Write the proportion equation
373,406.49 : 515,304.42 = 203,640.63 : x - Step 2: Convert to fraction form
373,406.49/515,304.42 = 203,640.63/x - Step 3: Cross multiply
373,406.49x = 515,304.42 × 203,640.63 - Step 4: Simplify right side
373,406.49x = 104,936,916,730.59 - Step 5: Solve for x
x = 104,936,916,730.59/373,406.49 - Step 6: Final answer
x = 281,025.96
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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.