Finding the Fourth Proportional to 202,247.70, 303,371.55 and 189,781.80
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Solution
The fourth proportional to 202,247.70, 303,371.55 and 189,781.80 is: 284,672.70
Step by Step Solution
- Step 1: Write the proportion equation
202,247.70 : 303,371.55 = 189,781.80 : x - Step 2: Convert to fraction form
202,247.70/303,371.55 = 189,781.80/x - Step 3: Cross multiply
202,247.70x = 303,371.55 × 189,781.80 - Step 4: Simplify right side
202,247.70x = 57,574,398,827.79 - Step 5: Solve for x
x = 57,574,398,827.79/202,247.70 - Step 6: Final answer
x = 284,672.70
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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.