Finding the Fourth Proportional to 195,769.68, 270,274.08 and 128,896.08
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Solution
The fourth proportional to 195,769.68, 270,274.08 and 128,896.08 is: 177,950.28
Step by Step Solution
- Step 1: Write the proportion equation
195,769.68 : 270,274.08 = 128,896.08 : x - Step 2: Convert to fraction form
195,769.68/270,274.08 = 128,896.08/x - Step 3: Cross multiply
195,769.68x = 270,274.08 × 128,896.08 - Step 4: Simplify right side
195,769.68x = 34,837,269,437.61 - Step 5: Solve for x
x = 34,837,269,437.61/195,769.68 - Step 6: Final answer
x = 177,950.28
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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.