Finding the Fourth Proportional to 493,634.44, 681,283.12 and 284,077.96
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Solution
The fourth proportional to 493,634.44, 681,283.12 and 284,077.96 is: 392,066.48
Step by Step Solution
- Step 1: Write the proportion equation
493,634.44 : 681,283.12 = 284,077.96 : x - Step 2: Convert to fraction form
493,634.44/681,283.12 = 284,077.96/x - Step 3: Cross multiply
493,634.44x = 681,283.12 × 284,077.96 - Step 4: Simplify right side
493,634.44x = 193,537,518,912.04 - Step 5: Solve for x
x = 193,537,518,912.04/493,634.44 - Step 6: Final answer
x = 392,066.48
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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.