Finding the Fourth Proportional to 308,043.65, 462,081.99 and 97,697.99
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Solution
The fourth proportional to 308,043.65, 462,081.99 and 97,697.99 is: 146,552.22
Step by Step Solution
- Step 1: Write the proportion equation
308,043.65 : 462,081.99 = 97,697.99 : x - Step 2: Convert to fraction form
308,043.65/462,081.99 = 97,697.99/x - Step 3: Cross multiply
308,043.65x = 462,081.99 × 97,697.99 - Step 4: Simplify right side
308,043.65x = 45,144,481,638.20 - Step 5: Solve for x
x = 45,144,481,638.20/308,043.65 - Step 6: Final answer
x = 146,552.22
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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.