Finding the Fourth Proportional to 284,283.72, 426,423.49 and 115,764.44
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Solution
The fourth proportional to 284,283.72, 426,423.49 and 115,764.44 is: 173,645.80
Step by Step Solution
- Step 1: Write the proportion equation
284,283.72 : 426,423.49 = 115,764.44 : x - Step 2: Convert to fraction form
284,283.72/426,423.49 = 115,764.44/x - Step 3: Cross multiply
284,283.72x = 426,423.49 × 115,764.44 - Step 4: Simplify right side
284,283.72x = 49,364,674,101.17 - Step 5: Solve for x
x = 49,364,674,101.17/284,283.72 - Step 6: Final answer
x = 173,645.80
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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.