Finding the Fourth Proportional to 202,497.80, 303,746.70 and 136,142.60
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Solution
The fourth proportional to 202,497.80, 303,746.70 and 136,142.60 is: 204,213.90
Step by Step Solution
- Step 1: Write the proportion equation
202,497.80 : 303,746.70 = 136,142.60 : x - Step 2: Convert to fraction form
202,497.80/303,746.70 = 136,142.60/x - Step 3: Cross multiply
202,497.80x = 303,746.70 × 136,142.60 - Step 4: Simplify right side
202,497.80x = 41,352,865,479.42 - Step 5: Solve for x
x = 41,352,865,479.42/202,497.80 - Step 6: Final answer
x = 204,213.90
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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.