Finding the Fourth Proportional to 197,268.88, 296,056.76 and 137,717.84
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Solution
The fourth proportional to 197,268.88, 296,056.76 and 137,717.84 is: 206,683.88
Step by Step Solution
- Step 1: Write the proportion equation
197,268.88 : 296,056.76 = 137,717.84 : x - Step 2: Convert to fraction form
197,268.88/296,056.76 = 137,717.84/x - Step 3: Cross multiply
197,268.88x = 296,056.76 × 137,717.84 - Step 4: Simplify right side
197,268.88x = 40,772,297,504.60 - Step 5: Solve for x
x = 40,772,297,504.60/197,268.88 - Step 6: Final answer
x = 206,683.88
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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.