Finding the Fourth Proportional to 195,811.80, 293,717.70 and 133,603.80
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Solution
The fourth proportional to 195,811.80, 293,717.70 and 133,603.80 is: 200,405.70
Step by Step Solution
- Step 1: Write the proportion equation
195,811.80 : 293,717.70 = 133,603.80 : x - Step 2: Convert to fraction form
195,811.80/293,717.70 = 133,603.80/x - Step 3: Cross multiply
195,811.80x = 293,717.70 × 133,603.80 - Step 4: Simplify right side
195,811.80x = 39,241,800,847.26 - Step 5: Solve for x
x = 39,241,800,847.26/195,811.80 - Step 6: Final answer
x = 200,405.70
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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.