Finding the Fourth Proportional to 135,968.23, 203,981.24 and 57,036.97
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Solution
The fourth proportional to 135,968.23, 203,981.24 and 57,036.97 is: 85,567.58
Step by Step Solution
- Step 1: Write the proportion equation
135,968.23 : 203,981.24 = 57,036.97 : x - Step 2: Convert to fraction form
135,968.23/203,981.24 = 57,036.97/x - Step 3: Cross multiply
135,968.23x = 203,981.24 × 57,036.97 - Step 4: Simplify right side
135,968.23x = 11,634,471,866.44 - Step 5: Solve for x
x = 11,634,471,866.44/135,968.23 - Step 6: Final answer
x = 85,567.58
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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.