Finding the Fourth Proportional to 221,067.92, 331,532.76 and 96,283.28
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Solution
The fourth proportional to 221,067.92, 331,532.76 and 96,283.28 is: 144,394.82
Step by Step Solution
- Step 1: Write the proportion equation
221,067.92 : 331,532.76 = 96,283.28 : x - Step 2: Convert to fraction form
221,067.92/331,532.76 = 96,283.28/x - Step 3: Cross multiply
221,067.92x = 331,532.76 × 96,283.28 - Step 4: Simplify right side
221,067.92x = 31,921,061,560.25 - Step 5: Solve for x
x = 31,921,061,560.25/221,067.92 - Step 6: Final answer
x = 144,394.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.