Finding the Fourth Proportional to 213,485.09, 320,283.11 and 63,725.40
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Solution
The fourth proportional to 213,485.09, 320,283.11 and 63,725.40 is: 95,604.66
Step by Step Solution
- Step 1: Write the proportion equation
213,485.09 : 320,283.11 = 63,725.40 : x - Step 2: Convert to fraction form
213,485.09/320,283.11 = 63,725.40/x - Step 3: Cross multiply
213,485.09x = 320,283.11 × 63,725.40 - Step 4: Simplify right side
213,485.09x = 20,410,169,457.31 - Step 5: Solve for x
x = 20,410,169,457.31/213,485.09 - Step 6: Final answer
x = 95,604.66
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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.