Finding the Fourth Proportional to 194,792.22, 268,817.46 and 107,577.05
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Solution
The fourth proportional to 194,792.22, 268,817.46 and 107,577.05 is: 148,458.65
Step by Step Solution
- Step 1: Write the proportion equation
194,792.22 : 268,817.46 = 107,577.05 : x - Step 2: Convert to fraction form
194,792.22/268,817.46 = 107,577.05/x - Step 3: Cross multiply
194,792.22x = 268,817.46 × 107,577.05 - Step 4: Simplify right side
194,792.22x = 28,918,589,024.43 - Step 5: Solve for x
x = 28,918,589,024.43/194,792.22 - Step 6: Final answer
x = 148,458.65
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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.