Finding the Fourth Proportional to 195,707.12, 270,071.35 and 115,116.98
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Solution
The fourth proportional to 195,707.12, 270,071.35 and 115,116.98 is: 158,858.80
Step by Step Solution
- Step 1: Write the proportion equation
195,707.12 : 270,071.35 = 115,116.98 : x - Step 2: Convert to fraction form
195,707.12/270,071.35 = 115,116.98/x - Step 3: Cross multiply
195,707.12x = 270,071.35 × 115,116.98 - Step 4: Simplify right side
195,707.12x = 31,089,796,558.37 - Step 5: Solve for x
x = 31,089,796,558.37/195,707.12 - Step 6: Final answer
x = 158,858.80
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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.