Finding the Fourth Proportional to 97,715.21, 146,351.34 and 76,523.18
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Solution
The fourth proportional to 97,715.21, 146,351.34 and 76,523.18 is: 114,611.33
Step by Step Solution
- Step 1: Write the proportion equation
97,715.21 : 146,351.34 = 76,523.18 : x - Step 2: Convert to fraction form
97,715.21/146,351.34 = 76,523.18/x - Step 3: Cross multiply
97,715.21x = 146,351.34 × 76,523.18 - Step 4: Simplify right side
97,715.21x = 11,199,269,202.30 - Step 5: Solve for x
x = 11,199,269,202.30/97,715.21 - Step 6: Final answer
x = 114,611.33
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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.