Finding the Fourth Proportional to 201,359.88, 277,877.70 and 110,721.70
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Solution
The fourth proportional to 201,359.88, 277,877.70 and 110,721.70 is: 152,796.53
Step by Step Solution
- Step 1: Write the proportion equation
201,359.88 : 277,877.70 = 110,721.70 : x - Step 2: Convert to fraction form
201,359.88/277,877.70 = 110,721.70/x - Step 3: Cross multiply
201,359.88x = 277,877.70 × 110,721.70 - Step 4: Simplify right side
201,359.88x = 30,767,091,336.09 - Step 5: Solve for x
x = 30,767,091,336.09/201,359.88 - Step 6: Final answer
x = 152,796.53
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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.