Finding the Fourth Proportional to 214,889.12, 296,307.84 and 146,917.12
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Solution
The fourth proportional to 214,889.12, 296,307.84 and 146,917.12 is: 202,582.12
Step by Step Solution
- Step 1: Write the proportion equation
214,889.12 : 296,307.84 = 146,917.12 : x - Step 2: Convert to fraction form
214,889.12/296,307.84 = 146,917.12/x - Step 3: Cross multiply
214,889.12x = 296,307.84 × 146,917.12 - Step 4: Simplify right side
214,889.12x = 43,532,694,486.22 - Step 5: Solve for x
x = 43,532,694,486.22/214,889.12 - Step 6: Final answer
x = 202,582.12
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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.