Finding the Fourth Proportional to 195,638.49, 269,979.71 and 110,754.81
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Solution
The fourth proportional to 195,638.49, 269,979.71 and 110,754.81 is: 152,840.84
Step by Step Solution
- Step 1: Write the proportion equation
195,638.49 : 269,979.71 = 110,754.81 : x - Step 2: Convert to fraction form
195,638.49/269,979.71 = 110,754.81/x - Step 3: Cross multiply
195,638.49x = 269,979.71 × 110,754.81 - Step 4: Simplify right side
195,638.49x = 29,901,550,931.13 - Step 5: Solve for x
x = 29,901,550,931.13/195,638.49 - Step 6: Final answer
x = 152,840.84
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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.