Finding the Fourth Proportional to 150,465.21, 207,640.67 and 82,485.96
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Solution
The fourth proportional to 150,465.21, 207,640.67 and 82,485.96 is: 113,829.90
Step by Step Solution
- Step 1: Write the proportion equation
150,465.21 : 207,640.67 = 82,485.96 : x - Step 2: Convert to fraction form
150,465.21/207,640.67 = 82,485.96/x - Step 3: Cross multiply
150,465.21x = 207,640.67 × 82,485.96 - Step 4: Simplify right side
150,465.21x = 17,127,439,999.99 - Step 5: Solve for x
x = 17,127,439,999.99/150,465.21 - Step 6: Final answer
x = 113,829.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.