Finding the Fourth Proportional to 201,054.73, 277,477.67 and 115,021.70
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Solution
The fourth proportional to 201,054.73, 277,477.67 and 115,021.70 is: 158,742.61
Step by Step Solution
- Step 1: Write the proportion equation
201,054.73 : 277,477.67 = 115,021.70 : x - Step 2: Convert to fraction form
201,054.73/277,477.67 = 115,021.70/x - Step 3: Cross multiply
201,054.73x = 277,477.67 × 115,021.70 - Step 4: Simplify right side
201,054.73x = 31,915,953,315.44 - Step 5: Solve for x
x = 31,915,953,315.44/201,054.73 - Step 6: Final answer
x = 158,742.61
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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.