Finding the Fourth Proportional to 358,935.75, 495,329.21 and 195,591.96
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Solution
The fourth proportional to 358,935.75, 495,329.21 and 195,591.96 is: 269,915.75
Step by Step Solution
- Step 1: Write the proportion equation
358,935.75 : 495,329.21 = 195,591.96 : x - Step 2: Convert to fraction form
358,935.75/495,329.21 = 195,591.96/x - Step 3: Cross multiply
358,935.75x = 495,329.21 × 195,591.96 - Step 4: Simplify right side
358,935.75x = 96,882,410,784.66 - Step 5: Solve for x
x = 96,882,410,784.66/358,935.75 - Step 6: Final answer
x = 269,915.75
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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.