Finding the Fourth Proportional to 313,535.96, 470,586.94 and 212,088.68
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Solution
The fourth proportional to 313,535.96, 470,586.94 and 212,088.68 is: 318,324.45
Step by Step Solution
- Step 1: Write the proportion equation
313,535.96 : 470,586.94 = 212,088.68 : x - Step 2: Convert to fraction form
313,535.96/470,586.94 = 212,088.68/x - Step 3: Cross multiply
313,535.96x = 470,586.94 × 212,088.68 - Step 4: Simplify right side
313,535.96x = 99,806,162,929.84 - Step 5: Solve for x
x = 99,806,162,929.84/313,535.96 - Step 6: Final answer
x = 318,324.45
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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.