Finding the Fourth Proportional to 161,135.20, 241,702.80 and 134,891.20
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Solution
The fourth proportional to 161,135.20, 241,702.80 and 134,891.20 is: 202,336.80
Step by Step Solution
- Step 1: Write the proportion equation
161,135.20 : 241,702.80 = 134,891.20 : x - Step 2: Convert to fraction form
161,135.20/241,702.80 = 134,891.20/x - Step 3: Cross multiply
161,135.20x = 241,702.80 × 134,891.20 - Step 4: Simplify right side
161,135.20x = 32,603,580,735.36 - Step 5: Solve for x
x = 32,603,580,735.36/161,135.20 - Step 6: Final answer
x = 202,336.80
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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.