Finding the Fourth Proportional to 200,963.02, 277,272.15 and 129,384.49
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Solution
The fourth proportional to 200,963.02, 277,272.15 and 129,384.49 is: 178,514.02
Step by Step Solution
- Step 1: Write the proportion equation
200,963.02 : 277,272.15 = 129,384.49 : x - Step 2: Convert to fraction form
200,963.02/277,272.15 = 129,384.49/x - Step 3: Cross multiply
200,963.02x = 277,272.15 × 129,384.49 - Step 4: Simplify right side
200,963.02x = 35,874,715,718.95 - Step 5: Solve for x
x = 35,874,715,718.95/200,963.02 - Step 6: Final answer
x = 178,514.02
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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.