Finding the Fourth Proportional to 195,782.94, 270,157.68 and 115,192.80
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Solution
The fourth proportional to 195,782.94, 270,157.68 and 115,192.80 is: 158,952.66
Step by Step Solution
- Step 1: Write the proportion equation
195,782.94 : 270,157.68 = 115,192.80 : x - Step 2: Convert to fraction form
195,782.94/270,157.68 = 115,192.80/x - Step 3: Cross multiply
195,782.94x = 270,157.68 × 115,192.80 - Step 4: Simplify right side
195,782.94x = 31,120,219,600.70 - Step 5: Solve for x
x = 31,120,219,600.70/195,782.94 - Step 6: Final answer
x = 158,952.66
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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.