Finding the Fourth Proportional to 117,325.92, 174,479.61 and 113,589.19
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Solution
The fourth proportional to 117,325.92, 174,479.61 and 113,589.19 is: 168,922.58
Step by Step Solution
- Step 1: Write the proportion equation
117,325.92 : 174,479.61 = 113,589.19 : x - Step 2: Convert to fraction form
117,325.92/174,479.61 = 113,589.19/x - Step 3: Cross multiply
117,325.92x = 174,479.61 × 113,589.19 - Step 4: Simplify right side
117,325.92x = 19,818,997,287.44 - Step 5: Solve for x
x = 19,818,997,287.44/117,325.92 - Step 6: Final answer
x = 168,922.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.