Finding the Fourth Proportional to 263,133.61, 394,675.81 and 73,611.02
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Solution
The fourth proportional to 263,133.61, 394,675.81 and 73,611.02 is: 110,409.65
Step by Step Solution
- Step 1: Write the proportion equation
263,133.61 : 394,675.81 = 73,611.02 : x - Step 2: Convert to fraction form
263,133.61/394,675.81 = 73,611.02/x - Step 3: Cross multiply
263,133.61x = 394,675.81 × 73,611.02 - Step 4: Simplify right side
263,133.61x = 29,052,489,746.09 - Step 5: Solve for x
x = 29,052,489,746.09/263,133.61 - Step 6: Final answer
x = 110,409.65
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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.