Finding the Fourth Proportional to 195,759.36, 270,101.64 and 115,190.40
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Solution
The fourth proportional to 195,759.36, 270,101.64 and 115,190.40 is: 158,935.52
Step by Step Solution
- Step 1: Write the proportion equation
195,759.36 : 270,101.64 = 115,190.40 : x - Step 2: Convert to fraction form
195,759.36/270,101.64 = 115,190.40/x - Step 3: Cross multiply
195,759.36x = 270,101.64 × 115,190.40 - Step 4: Simplify right side
195,759.36x = 31,113,115,952.26 - Step 5: Solve for x
x = 31,113,115,952.26/195,759.36 - Step 6: Final answer
x = 158,935.52
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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.