Finding the Fourth Proportional to 204,032.05, 306,148.65 and 91,791.70
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Solution
The fourth proportional to 204,032.05, 306,148.65 and 91,791.70 is: 137,732.80
Step by Step Solution
- Step 1: Write the proportion equation
204,032.05 : 306,148.65 = 91,791.70 : x - Step 2: Convert to fraction form
204,032.05/306,148.65 = 91,791.70/x - Step 3: Cross multiply
204,032.05x = 306,148.65 × 91,791.70 - Step 4: Simplify right side
204,032.05x = 28,101,905,036.21 - Step 5: Solve for x
x = 28,101,905,036.21/204,032.05 - Step 6: Final answer
x = 137,732.80
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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.