Finding the Fourth Proportional to 201,386.20, 277,843.74 and 124,877.80
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Solution
The fourth proportional to 201,386.20, 277,843.74 and 124,877.80 is: 172,288.44
Step by Step Solution
- Step 1: Write the proportion equation
201,386.20 : 277,843.74 = 124,877.80 : x - Step 2: Convert to fraction form
201,386.20/277,843.74 = 124,877.80/x - Step 3: Cross multiply
201,386.20x = 277,843.74 × 124,877.80 - Step 4: Simplify right side
201,386.20x = 34,696,514,994.97 - Step 5: Solve for x
x = 34,696,514,994.97/201,386.20 - Step 6: Final answer
x = 172,288.44
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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.