Finding the Fourth Proportional to 195,385.37, 293,078.05 and 55,143.99
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Solution
The fourth proportional to 195,385.37, 293,078.05 and 55,143.99 is: 82,715.99
Step by Step Solution
- Step 1: Write the proportion equation
195,385.37 : 293,078.05 = 55,143.99 : x - Step 2: Convert to fraction form
195,385.37/293,078.05 = 55,143.99/x - Step 3: Cross multiply
195,385.37x = 293,078.05 × 55,143.99 - Step 4: Simplify right side
195,385.37x = 16,161,492,920.56 - Step 5: Solve for x
x = 16,161,492,920.56/195,385.37 - Step 6: Final answer
x = 82,715.99
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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.