Finding the Fourth Proportional to 201,625.20, 302,437.80 and 198,514.80
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Solution
The fourth proportional to 201,625.20, 302,437.80 and 198,514.80 is: 297,772.20
Step by Step Solution
- Step 1: Write the proportion equation
201,625.20 : 302,437.80 = 198,514.80 : x - Step 2: Convert to fraction form
201,625.20/302,437.80 = 198,514.80/x - Step 3: Cross multiply
201,625.20x = 302,437.80 × 198,514.80 - Step 4: Simplify right side
201,625.20x = 60,038,379,379.44 - Step 5: Solve for x
x = 60,038,379,379.44/201,625.20 - Step 6: Final answer
x = 297,772.20
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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.