Finding the Fourth Proportional to 135,578.44, 187,097.92 and 74,324.52
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Solution
The fourth proportional to 135,578.44, 187,097.92 and 74,324.52 is: 102,567.65
Step by Step Solution
- Step 1: Write the proportion equation
135,578.44 : 187,097.92 = 74,324.52 : x - Step 2: Convert to fraction form
135,578.44/187,097.92 = 74,324.52/x - Step 3: Cross multiply
135,578.44x = 187,097.92 × 74,324.52 - Step 4: Simplify right side
135,578.44x = 13,905,961,789.89 - Step 5: Solve for x
x = 13,905,961,789.89/135,578.44 - Step 6: Final answer
x = 102,567.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.