Finding the Fourth Proportional to 195,463.20, 293,194.80 and 135,328.80
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Solution
The fourth proportional to 195,463.20, 293,194.80 and 135,328.80 is: 202,993.20
Step by Step Solution
- Step 1: Write the proportion equation
195,463.20 : 293,194.80 = 135,328.80 : x - Step 2: Convert to fraction form
195,463.20/293,194.80 = 135,328.80/x - Step 3: Cross multiply
195,463.20x = 293,194.80 × 135,328.80 - Step 4: Simplify right side
195,463.20x = 39,677,700,450.24 - Step 5: Solve for x
x = 39,677,700,450.24/195,463.20 - Step 6: Final answer
x = 202,993.20
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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.