Finding the Fourth Proportional to 134,914.75, 202,381.95 and 51,808.75
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Solution
The fourth proportional to 134,914.75, 202,381.95 and 51,808.75 is: 77,716.90
Step by Step Solution
- Step 1: Write the proportion equation
134,914.75 : 202,381.95 = 51,808.75 : x - Step 2: Convert to fraction form
134,914.75/202,381.95 = 51,808.75/x - Step 3: Cross multiply
134,914.75x = 202,381.95 × 51,808.75 - Step 4: Simplify right side
134,914.75x = 10,485,155,852.06 - Step 5: Solve for x
x = 10,485,155,852.06/134,914.75 - Step 6: Final answer
x = 77,716.90
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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.