Finding the Fourth Proportional to 300,851.84, 414,910.55 and 186,112.26
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Solution
The fourth proportional to 300,851.84, 414,910.55 and 186,112.26 is: 256,670.99
Step by Step Solution
- Step 1: Write the proportion equation
300,851.84 : 414,910.55 = 186,112.26 : x - Step 2: Convert to fraction form
300,851.84/414,910.55 = 186,112.26/x - Step 3: Cross multiply
300,851.84x = 414,910.55 × 186,112.26 - Step 4: Simplify right side
300,851.84x = 77,219,940,623.62 - Step 5: Solve for x
x = 77,219,940,623.62/300,851.84 - Step 6: Final answer
x = 256,670.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.