Finding the Fourth Proportional to 263,722.35, 395,554.49 and 74,188.74
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Solution
The fourth proportional to 263,722.35, 395,554.49 and 74,188.74 is: 111,274.94
Step by Step Solution
- Step 1: Write the proportion equation
263,722.35 : 395,554.49 = 74,188.74 : x - Step 2: Convert to fraction form
263,722.35/395,554.49 = 74,188.74/x - Step 3: Cross multiply
263,722.35x = 395,554.49 × 74,188.74 - Step 4: Simplify right side
263,722.35x = 29,345,689,214.44 - Step 5: Solve for x
x = 29,345,689,214.44/263,722.35 - Step 6: Final answer
x = 111,274.94
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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.