Finding the Fourth Proportional to 225,880.62, 311,715.46 and 125,278.62
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Solution
The fourth proportional to 225,880.62, 311,715.46 and 125,278.62 is: 172,884.61
Step by Step Solution
- Step 1: Write the proportion equation
225,880.62 : 311,715.46 = 125,278.62 : x - Step 2: Convert to fraction form
225,880.62/311,715.46 = 125,278.62/x - Step 3: Cross multiply
225,880.62x = 311,715.46 × 125,278.62 - Step 4: Simplify right side
225,880.62x = 39,051,282,661.47 - Step 5: Solve for x
x = 39,051,282,661.47/225,880.62 - Step 6: Final answer
x = 172,884.61
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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.