Finding the Fourth Proportional to 263,098.08, 394,612.92 and 105,328.08
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Solution
The fourth proportional to 263,098.08, 394,612.92 and 105,328.08 is: 157,978.43
Step by Step Solution
- Step 1: Write the proportion equation
263,098.08 : 394,612.92 = 105,328.08 : x - Step 2: Convert to fraction form
263,098.08/394,612.92 = 105,328.08/x - Step 3: Cross multiply
263,098.08x = 394,612.92 × 105,328.08 - Step 4: Simplify right side
263,098.08x = 41,563,821,206.79 - Step 5: Solve for x
x = 41,563,821,206.79/263,098.08 - Step 6: Final answer
x = 157,978.43
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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.