Finding the Fourth Proportional to 262,846.08, 394,269.12 and 85,371.03
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Solution
The fourth proportional to 262,846.08, 394,269.12 and 85,371.03 is: 128,056.55
Step by Step Solution
- Step 1: Write the proportion equation
262,846.08 : 394,269.12 = 85,371.03 : x - Step 2: Convert to fraction form
262,846.08/394,269.12 = 85,371.03/x - Step 3: Cross multiply
262,846.08x = 394,269.12 × 85,371.03 - Step 4: Simplify right side
262,846.08x = 33,659,160,871.59 - Step 5: Solve for x
x = 33,659,160,871.59/262,846.08 - Step 6: Final answer
x = 128,056.55
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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.