Finding the Fourth Proportional to 99,750.42, 149,495.69 and 40,516.88
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Solution
The fourth proportional to 99,750.42, 149,495.69 and 40,516.88 is: 60,722.53
Step by Step Solution
- Step 1: Write the proportion equation
99,750.42 : 149,495.69 = 40,516.88 : x - Step 2: Convert to fraction form
99,750.42/149,495.69 = 40,516.88/x - Step 3: Cross multiply
99,750.42x = 149,495.69 × 40,516.88 - Step 4: Simplify right side
99,750.42x = 6,057,098,286.06 - Step 5: Solve for x
x = 6,057,098,286.06/99,750.42 - Step 6: Final answer
x = 60,722.53
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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.