Finding the Fourth Proportional to 147,624.68, 203,722.62 and 80,556.68
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Solution
The fourth proportional to 147,624.68, 203,722.62 and 80,556.68 is: 111,168.52
Step by Step Solution
- Step 1: Write the proportion equation
147,624.68 : 203,722.62 = 80,556.68 : x - Step 2: Convert to fraction form
147,624.68/203,722.62 = 80,556.68/x - Step 3: Cross multiply
147,624.68x = 203,722.62 × 80,556.68 - Step 4: Simplify right side
147,624.68x = 16,411,217,908.10 - Step 5: Solve for x
x = 16,411,217,908.10/147,624.68 - Step 6: Final answer
x = 111,168.52
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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.