Finding the Fourth Proportional to 201,185.25, 277,642.94 and 115,160.01
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Solution
The fourth proportional to 201,185.25, 277,642.94 and 115,160.01 is: 158,924.99
Step by Step Solution
- Step 1: Write the proportion equation
201,185.25 : 277,642.94 = 115,160.01 : x - Step 2: Convert to fraction form
201,185.25/277,642.94 = 115,160.01/x - Step 3: Cross multiply
201,185.25x = 277,642.94 × 115,160.01 - Step 4: Simplify right side
201,185.25x = 31,973,363,746.83 - Step 5: Solve for x
x = 31,973,363,746.83/201,185.25 - Step 6: Final answer
x = 158,924.99
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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.