Finding the Fourth Proportional to 242,629.20, 334,823.24 and 135,198.80
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Solution
The fourth proportional to 242,629.20, 334,823.24 and 135,198.80 is: 186,571.53
Step by Step Solution
- Step 1: Write the proportion equation
242,629.20 : 334,823.24 = 135,198.80 : x - Step 2: Convert to fraction form
242,629.20/334,823.24 = 135,198.80/x - Step 3: Cross multiply
242,629.20x = 334,823.24 × 135,198.80 - Step 4: Simplify right side
242,629.20x = 45,267,700,260.11 - Step 5: Solve for x
x = 45,267,700,260.11/242,629.20 - Step 6: Final answer
x = 186,571.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.