Finding the Fourth Proportional to 323,717.80, 485,576.70 and 248,981.80
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Solution
The fourth proportional to 323,717.80, 485,576.70 and 248,981.80 is: 373,472.70
Step by Step Solution
- Step 1: Write the proportion equation
323,717.80 : 485,576.70 = 248,981.80 : x - Step 2: Convert to fraction form
323,717.80/485,576.70 = 248,981.80/x - Step 3: Cross multiply
323,717.80x = 485,576.70 × 248,981.80 - Step 4: Simplify right side
323,717.80x = 120,899,760,804.06 - Step 5: Solve for x
x = 120,899,760,804.06/323,717.80 - Step 6: Final answer
x = 373,472.70
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1.5x scale
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.