Finding the Fourth Proportional to 514,409.49, 709,884.97 and 284,981.67
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Solution
The fourth proportional to 514,409.49, 709,884.97 and 284,981.67 is: 393,274.63
Step by Step Solution
- Step 1: Write the proportion equation
514,409.49 : 709,884.97 = 284,981.67 : x - Step 2: Convert to fraction form
514,409.49/709,884.97 = 284,981.67/x - Step 3: Cross multiply
514,409.49x = 709,884.97 × 284,981.67 - Step 4: Simplify right side
514,409.49x = 202,304,203,546.05 - Step 5: Solve for x
x = 202,304,203,546.05/514,409.49 - Step 6: Final answer
x = 393,274.63
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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.