Finding the Fourth Proportional to 201,270.29, 277,736.36 and 115,209.45
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Solution
The fourth proportional to 201,270.29, 277,736.36 and 115,209.45 is: 158,979.51
Step by Step Solution
- Step 1: Write the proportion equation
201,270.29 : 277,736.36 = 115,209.45 : x - Step 2: Convert to fraction form
201,270.29/277,736.36 = 115,209.45/x - Step 3: Cross multiply
201,270.29x = 277,736.36 × 115,209.45 - Step 4: Simplify right side
201,270.29x = 31,997,853,257.13 - Step 5: Solve for x
x = 31,997,853,257.13/201,270.29 - Step 6: Final answer
x = 158,979.51
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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.