Finding the Fourth Proportional to 250,224.49, 345,310.73 and 135,503.18
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Solution
The fourth proportional to 250,224.49, 345,310.73 and 135,503.18 is: 186,994.90
Step by Step Solution
- Step 1: Write the proportion equation
250,224.49 : 345,310.73 = 135,503.18 : x - Step 2: Convert to fraction form
250,224.49/345,310.73 = 135,503.18/x - Step 3: Cross multiply
250,224.49x = 345,310.73 × 135,503.18 - Step 4: Simplify right side
250,224.49x = 46,790,702,866.40 - Step 5: Solve for x
x = 46,790,702,866.40/250,224.49 - Step 6: Final answer
x = 186,994.90
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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.