Finding the Fourth Proportional to 171,492.67, 236,617.11 and 98,917.75
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Solution
The fourth proportional to 171,492.67, 236,617.11 and 98,917.75 is: 136,481.82
Step by Step Solution
- Step 1: Write the proportion equation
171,492.67 : 236,617.11 = 98,917.75 : x - Step 2: Convert to fraction form
171,492.67/236,617.11 = 98,917.75/x - Step 3: Cross multiply
171,492.67x = 236,617.11 × 98,917.75 - Step 4: Simplify right side
171,492.67x = 23,405,632,132.70 - Step 5: Solve for x
x = 23,405,632,132.70/171,492.67 - Step 6: Final answer
x = 136,481.82
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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.