Finding the Fourth Proportional to 263,303.60, 394,946.52 and 105,489.68
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Solution
The fourth proportional to 263,303.60, 394,946.52 and 105,489.68 is: 158,230.96
Step by Step Solution
- Step 1: Write the proportion equation
263,303.60 : 394,946.52 = 105,489.68 : x - Step 2: Convert to fraction form
263,303.60/394,946.52 = 105,489.68/x - Step 3: Cross multiply
263,303.60x = 394,946.52 × 105,489.68 - Step 4: Simplify right side
263,303.60x = 41,662,782,011.91 - Step 5: Solve for x
x = 41,662,782,011.91/263,303.60 - Step 6: Final answer
x = 158,230.96
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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.