Finding the Fourth Proportional to 195,558.24, 269,874.20 and 127,618.68
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Solution
The fourth proportional to 195,558.24, 269,874.20 and 127,618.68 is: 176,116.28
Step by Step Solution
- Step 1: Write the proportion equation
195,558.24 : 269,874.20 = 127,618.68 : x - Step 2: Convert to fraction form
195,558.24/269,874.20 = 127,618.68/x - Step 3: Cross multiply
195,558.24x = 269,874.20 × 127,618.68 - Step 4: Simplify right side
195,558.24x = 34,440,989,170.06 - Step 5: Solve for x
x = 34,440,989,170.06/195,558.24 - Step 6: Final answer
x = 176,116.28
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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.