Finding the Fourth Proportional to 201,144.12, 277,708.74 and 124,744.44
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Solution
The fourth proportional to 201,144.12, 277,708.74 and 124,744.44 is: 172,227.86
Step by Step Solution
- Step 1: Write the proportion equation
201,144.12 : 277,708.74 = 124,744.44 : x - Step 2: Convert to fraction form
201,144.12/277,708.74 = 124,744.44/x - Step 3: Cross multiply
201,144.12x = 277,708.74 × 124,744.44 - Step 4: Simplify right side
201,144.12x = 34,642,621,254.41 - Step 5: Solve for x
x = 34,642,621,254.41/201,144.12 - Step 6: Final answer
x = 172,227.86
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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.