Finding the Fourth Proportional to 131,530.62, 197,247.21 and 47,268.08
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Solution
The fourth proportional to 131,530.62, 197,247.21 and 47,268.08 is: 70,884.60
Step by Step Solution
- Step 1: Write the proportion equation
131,530.62 : 197,247.21 = 47,268.08 : x - Step 2: Convert to fraction form
131,530.62/197,247.21 = 47,268.08/x - Step 3: Cross multiply
131,530.62x = 197,247.21 × 47,268.08 - Step 4: Simplify right side
131,530.62x = 9,323,495,915.82 - Step 5: Solve for x
x = 9,323,495,915.82/131,530.62 - Step 6: Final answer
x = 70,884.60
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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.