Finding the Fourth Proportional to 196,135.63, 294,247.18 and 71,476.63
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Solution
The fourth proportional to 196,135.63, 294,247.18 and 71,476.63 is: 107,230.88
Step by Step Solution
- Step 1: Write the proportion equation
196,135.63 : 294,247.18 = 71,476.63 : x - Step 2: Convert to fraction form
196,135.63/294,247.18 = 71,476.63/x - Step 3: Cross multiply
196,135.63x = 294,247.18 × 71,476.63 - Step 4: Simplify right side
196,135.63x = 21,031,796,813.40 - Step 5: Solve for x
x = 21,031,796,813.40/196,135.63 - Step 6: Final answer
x = 107,230.88
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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.