Finding the Fourth Proportional to 201,220.09, 301,811.65 and 68,085.07
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Solution
The fourth proportional to 201,220.09, 301,811.65 and 68,085.07 is: 102,121.35
Step by Step Solution
- Step 1: Write the proportion equation
201,220.09 : 301,811.65 = 68,085.07 : x - Step 2: Convert to fraction form
201,220.09/301,811.65 = 68,085.07/x - Step 3: Cross multiply
201,220.09x = 301,811.65 × 68,085.07 - Step 4: Simplify right side
201,220.09x = 20,548,867,317.07 - Step 5: Solve for x
x = 20,548,867,317.07/201,220.09 - Step 6: Final answer
x = 102,121.35
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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.