Finding the Fourth Proportional to 681,009.75, 1,021,159.97 and 254,194.63
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Solution
The fourth proportional to 681,009.75, 1,021,159.97 and 254,194.63 is: 381,159.56
Step by Step Solution
- Step 1: Write the proportion equation
681,009.75 : 1,021,159.97 = 254,194.63 : x - Step 2: Convert to fraction form
681,009.75/1,021,159.97 = 254,194.63/x - Step 3: Cross multiply
681,009.75x = 1,021,159.97 × 254,194.63 - Step 4: Simplify right side
681,009.75x = 259,573,375,639.16 - Step 5: Solve for x
x = 259,573,375,639.16/681,009.75 - Step 6: Final answer
x = 381,159.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.