Finding the Fourth Proportional to 201,218.09, 301,808.66 and 68,083.07
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Solution
The fourth proportional to 201,218.09, 301,808.66 and 68,083.07 is: 102,118.35
Step by Step Solution
- Step 1: Write the proportion equation
201,218.09 : 301,808.66 = 68,083.07 : x - Step 2: Convert to fraction form
201,218.09/301,808.66 = 68,083.07/x - Step 3: Cross multiply
201,218.09x = 301,808.66 × 68,083.07 - Step 4: Simplify right side
201,218.09x = 20,548,058,275.93 - Step 5: Solve for x
x = 20,548,058,275.93/201,218.09 - Step 6: Final answer
x = 102,118.35
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1.5x scale
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.