Finding the Fourth Proportional to 135,177.70, 202,439.64 and 131,634.76
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Solution
The fourth proportional to 135,177.70, 202,439.64 and 131,634.76 is: 197,133.80
Step by Step Solution
- Step 1: Write the proportion equation
135,177.70 : 202,439.64 = 131,634.76 : x - Step 2: Convert to fraction form
135,177.70/202,439.64 = 131,634.76/x - Step 3: Cross multiply
135,177.70x = 202,439.64 × 131,634.76 - Step 4: Simplify right side
135,177.70x = 26,648,093,425.89 - Step 5: Solve for x
x = 26,648,093,425.89/135,177.70 - Step 6: Final answer
x = 197,133.80
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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.