Finding the Fourth Proportional to 306,716.88, 460,149.14 and 129,274.64
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Solution
The fourth proportional to 306,716.88, 460,149.14 and 129,274.64 is: 193,943.07
Step by Step Solution
- Step 1: Write the proportion equation
306,716.88 : 460,149.14 = 129,274.64 : x - Step 2: Convert to fraction form
306,716.88/460,149.14 = 129,274.64/x - Step 3: Cross multiply
306,716.88x = 460,149.14 × 129,274.64 - Step 4: Simplify right side
306,716.88x = 59,485,614,419.81 - Step 5: Solve for x
x = 59,485,614,419.81/306,716.88 - Step 6: Final answer
x = 193,943.07
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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.