Finding the Fourth Proportional to 145,974.56, 201,445.26 and 82,313.44
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Solution
The fourth proportional to 145,974.56, 201,445.26 and 82,313.44 is: 113,592.75
Step by Step Solution
- Step 1: Write the proportion equation
145,974.56 : 201,445.26 = 82,313.44 : x - Step 2: Convert to fraction form
145,974.56/201,445.26 = 82,313.44/x - Step 3: Cross multiply
145,974.56x = 201,445.26 × 82,313.44 - Step 4: Simplify right side
145,974.56x = 16,581,652,322.29 - Step 5: Solve for x
x = 16,581,652,322.29/145,974.56 - Step 6: Final answer
x = 113,592.75
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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.