Finding the Fourth Proportional to 311,274.94, 467,332.18 and 199,173.96
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Solution
The fourth proportional to 311,274.94, 467,332.18 and 199,173.96 is: 299,029.54
Step by Step Solution
- Step 1: Write the proportion equation
311,274.94 : 467,332.18 = 199,173.96 : x - Step 2: Convert to fraction form
311,274.94/467,332.18 = 199,173.96/x - Step 3: Cross multiply
311,274.94x = 467,332.18 × 199,173.96 - Step 4: Simplify right side
311,274.94x = 93,080,400,926.03 - Step 5: Solve for x
x = 93,080,400,926.03/311,274.94 - Step 6: Final answer
x = 299,029.54
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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.