Finding the Fourth Proportional to 199,393.24, 299,140.26 and 66,274.16
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Solution
The fourth proportional to 199,393.24, 299,140.26 and 66,274.16 is: 99,427.99
Step by Step Solution
- Step 1: Write the proportion equation
199,393.24 : 299,140.26 = 66,274.16 : x - Step 2: Convert to fraction form
199,393.24/299,140.26 = 66,274.16/x - Step 3: Cross multiply
199,393.24x = 299,140.26 × 66,274.16 - Step 4: Simplify right side
199,393.24x = 19,825,269,453.68 - Step 5: Solve for x
x = 19,825,269,453.68/199,393.24 - Step 6: Final answer
x = 99,427.99
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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.