Finding the Fourth Proportional to 201,085.77, 301,628.52 and 51,326.09
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Solution
The fourth proportional to 201,085.77, 301,628.52 and 51,326.09 is: 76,989.09
Step by Step Solution
- Step 1: Write the proportion equation
201,085.77 : 301,628.52 = 51,326.09 : x - Step 2: Convert to fraction form
201,085.77/301,628.52 = 51,326.09/x - Step 3: Cross multiply
201,085.77x = 301,628.52 × 51,326.09 - Step 4: Simplify right side
201,085.77x = 15,481,411,055.94 - Step 5: Solve for x
x = 15,481,411,055.94/201,085.77 - Step 6: Final answer
x = 76,989.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.