Finding the Fourth Proportional to 475,234.70, 655,823.79 and 284,292.99
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Solution
The fourth proportional to 475,234.70, 655,823.79 and 284,292.99 is: 392,324.27
Step by Step Solution
- Step 1: Write the proportion equation
475,234.70 : 655,823.79 = 284,292.99 : x - Step 2: Convert to fraction form
475,234.70/655,823.79 = 284,292.99/x - Step 3: Cross multiply
475,234.70x = 655,823.79 × 284,292.99 - Step 4: Simplify right side
475,234.70x = 186,446,106,172.23 - Step 5: Solve for x
x = 186,446,106,172.23/475,234.70 - Step 6: Final answer
x = 392,324.27
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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.