Finding the Fourth Proportional to 137,467.28, 206,142.56 and 48,743.12
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Solution
The fourth proportional to 137,467.28, 206,142.56 and 48,743.12 is: 73,093.99
Step by Step Solution
- Step 1: Write the proportion equation
137,467.28 : 206,142.56 = 48,743.12 : x - Step 2: Convert to fraction form
137,467.28/206,142.56 = 48,743.12/x - Step 3: Cross multiply
137,467.28x = 206,142.56 × 48,743.12 - Step 4: Simplify right side
137,467.28x = 10,048,031,539.19 - Step 5: Solve for x
x = 10,048,031,539.19/137,467.28 - Step 6: Final answer
x = 73,093.99
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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.