Finding the Fourth Proportional to 202,079.80, 303,119.70 and 89,759.80
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Solution
The fourth proportional to 202,079.80, 303,119.70 and 89,759.80 is: 134,639.70
Step by Step Solution
- Step 1: Write the proportion equation
202,079.80 : 303,119.70 = 89,759.80 : x - Step 2: Convert to fraction form
202,079.80/303,119.70 = 89,759.80/x - Step 3: Cross multiply
202,079.80x = 303,119.70 × 89,759.80 - Step 4: Simplify right side
202,079.80x = 27,207,963,648.06 - Step 5: Solve for x
x = 27,207,963,648.06/202,079.80 - Step 6: Final answer
x = 134,639.70
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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.