Finding the Fourth Proportional to 135,879.49, 202,904.22 and 110,968.96
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Solution
The fourth proportional to 135,879.49, 202,904.22 and 110,968.96 is: 165,706.17
Step by Step Solution
- Step 1: Write the proportion equation
135,879.49 : 202,904.22 = 110,968.96 : x - Step 2: Convert to fraction form
135,879.49/202,904.22 = 110,968.96/x - Step 3: Cross multiply
135,879.49x = 202,904.22 × 110,968.96 - Step 4: Simplify right side
135,879.49x = 22,516,069,258.49 - Step 5: Solve for x
x = 22,516,069,258.49/135,879.49 - Step 6: Final answer
x = 165,706.17
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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.