Finding the Fourth Proportional to 97,381.20, 146,028.60 and 44,806.80
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Solution
The fourth proportional to 97,381.20, 146,028.60 and 44,806.80 is: 67,190.32
Step by Step Solution
- Step 1: Write the proportion equation
97,381.20 : 146,028.60 = 44,806.80 : x - Step 2: Convert to fraction form
97,381.20/146,028.60 = 44,806.80/x - Step 3: Cross multiply
97,381.20x = 146,028.60 × 44,806.80 - Step 4: Simplify right side
97,381.20x = 6,543,074,274.48 - Step 5: Solve for x
x = 6,543,074,274.48/97,381.20 - Step 6: Final answer
x = 67,190.32
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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.