Finding the Fourth Proportional to 883,105.80, 1,324,658.70 and 218,257.80
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Solution
The fourth proportional to 883,105.80, 1,324,658.70 and 218,257.80 is: 327,386.70
Step by Step Solution
- Step 1: Write the proportion equation
883,105.80 : 1,324,658.70 = 218,257.80 : x - Step 2: Convert to fraction form
883,105.80/1,324,658.70 = 218,257.80/x - Step 3: Cross multiply
883,105.80x = 1,324,658.70 × 218,257.80 - Step 4: Simplify right side
883,105.80x = 289,117,093,612.86 - Step 5: Solve for x
x = 289,117,093,612.86/883,105.80 - Step 6: Final answer
x = 327,386.70
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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.