Finding the Fourth Proportional to 165,724.36, 248,551.74 and 53,414.68
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Solution
The fourth proportional to 165,724.36, 248,551.74 and 53,414.68 is: 80,110.80
Step by Step Solution
- Step 1: Write the proportion equation
165,724.36 : 248,551.74 = 53,414.68 : x - Step 2: Convert to fraction form
165,724.36/248,551.74 = 53,414.68/x - Step 3: Cross multiply
165,724.36x = 248,551.74 × 53,414.68 - Step 4: Simplify right side
165,724.36x = 13,276,311,655.54 - Step 5: Solve for x
x = 13,276,311,655.54/165,724.36 - Step 6: Final answer
x = 80,110.80
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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.