Finding the Fourth Proportional to 202,987.80, 304,481.70 and 84,619.80
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Solution
The fourth proportional to 202,987.80, 304,481.70 and 84,619.80 is: 126,929.70
Step by Step Solution
- Step 1: Write the proportion equation
202,987.80 : 304,481.70 = 84,619.80 : x - Step 2: Convert to fraction form
202,987.80/304,481.70 = 84,619.80/x - Step 3: Cross multiply
202,987.80x = 304,481.70 × 84,619.80 - Step 4: Simplify right side
202,987.80x = 25,765,180,557.66 - Step 5: Solve for x
x = 25,765,180,557.66/202,987.80 - Step 6: Final answer
x = 126,929.70
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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.