Finding the Fourth Proportional to 261,922.92, 392,884.44 and 74,934.42
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Solution
The fourth proportional to 261,922.92, 392,884.44 and 74,934.42 is: 112,401.65
Step by Step Solution
- Step 1: Write the proportion equation
261,922.92 : 392,884.44 = 74,934.42 : x - Step 2: Convert to fraction form
261,922.92/392,884.44 = 74,934.42/x - Step 3: Cross multiply
261,922.92x = 392,884.44 × 74,934.42 - Step 4: Simplify right side
261,922.92x = 29,440,567,638.42 - Step 5: Solve for x
x = 29,440,567,638.42/261,922.92 - Step 6: Final answer
x = 112,401.65
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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.