Finding the Fourth Proportional to 262,474.43, 393,774.36 and 84,981.63
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Solution
The fourth proportional to 262,474.43, 393,774.36 and 84,981.63 is: 127,492.75
Step by Step Solution
- Step 1: Write the proportion equation
262,474.43 : 393,774.36 = 84,981.63 : x - Step 2: Convert to fraction form
262,474.43/393,774.36 = 84,981.63/x - Step 3: Cross multiply
262,474.43x = 393,774.36 × 84,981.63 - Step 4: Simplify right side
262,474.43x = 33,463,586,965.01 - Step 5: Solve for x
x = 33,463,586,965.01/262,474.43 - Step 6: Final answer
x = 127,492.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.