Finding the Fourth Proportional to 203,863.84, 305,771.99 and 54,115.76
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Solution
The fourth proportional to 203,863.84, 305,771.99 and 54,115.76 is: 81,167.33
Step by Step Solution
- Step 1: Write the proportion equation
203,863.84 : 305,771.99 = 54,115.76 : x - Step 2: Convert to fraction form
203,863.84/305,771.99 = 54,115.76/x - Step 3: Cross multiply
203,863.84x = 305,771.99 × 54,115.76 - Step 4: Simplify right side
203,863.84x = 16,547,084,119.41 - Step 5: Solve for x
x = 16,547,084,119.41/203,863.84 - Step 6: Final answer
x = 81,167.33
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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.