Finding the Fourth Proportional to 163,872.54, 245,867.94 and 57,272.09
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Solution
The fourth proportional to 163,872.54, 245,867.94 and 57,272.09 is: 85,928.79
Step by Step Solution
- Step 1: Write the proportion equation
163,872.54 : 245,867.94 = 57,272.09 : x - Step 2: Convert to fraction form
163,872.54/245,867.94 = 57,272.09/x - Step 3: Cross multiply
163,872.54x = 245,867.94 × 57,272.09 - Step 4: Simplify right side
163,872.54x = 14,081,369,558.45 - Step 5: Solve for x
x = 14,081,369,558.45/163,872.54 - Step 6: Final answer
x = 85,928.79
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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.