Finding the Fourth Proportional to 308,855.04, 463,163.52 and 131,446.08
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Solution
The fourth proportional to 308,855.04, 463,163.52 and 131,446.08 is: 197,118.46
Step by Step Solution
- Step 1: Write the proportion equation
308,855.04 : 463,163.52 = 131,446.08 : x - Step 2: Convert to fraction form
308,855.04/463,163.52 = 131,446.08/x - Step 3: Cross multiply
308,855.04x = 463,163.52 × 131,446.08 - Step 4: Simplify right side
308,855.04x = 60,881,029,103.00 - Step 5: Solve for x
x = 60,881,029,103.00/308,855.04 - Step 6: Final answer
x = 197,118.46
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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.