Finding the Fourth Proportional to 149,599.50, 225,431.43 and 135,558.96
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Solution
The fourth proportional to 149,599.50, 225,431.43 and 135,558.96 is: 204,273.75
Step by Step Solution
- Step 1: Write the proportion equation
149,599.50 : 225,431.43 = 135,558.96 : x - Step 2: Convert to fraction form
149,599.50/225,431.43 = 135,558.96/x - Step 3: Cross multiply
149,599.50x = 225,431.43 × 135,558.96 - Step 4: Simplify right side
149,599.50x = 30,559,250,202.11 - Step 5: Solve for x
x = 30,559,250,202.11/149,599.50 - Step 6: Final answer
x = 204,273.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.