Finding the Fourth Proportional to 135,708.10, 203,463.74 and 91,224.52
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Solution
The fourth proportional to 135,708.10, 203,463.74 and 91,224.52 is: 136,770.62
Step by Step Solution
- Step 1: Write the proportion equation
135,708.10 : 203,463.74 = 91,224.52 : x - Step 2: Convert to fraction form
135,708.10/203,463.74 = 91,224.52/x - Step 3: Cross multiply
135,708.10x = 203,463.74 × 91,224.52 - Step 4: Simplify right side
135,708.10x = 18,560,881,562.78 - Step 5: Solve for x
x = 18,560,881,562.78/135,708.10 - Step 6: Final answer
x = 136,770.62
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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.