Finding the Fourth Proportional to 284,453.12, 426,696.05 and 106,961.66
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Solution
The fourth proportional to 284,453.12, 426,696.05 and 106,961.66 is: 160,448.65
Step by Step Solution
- Step 1: Write the proportion equation
284,453.12 : 426,696.05 = 106,961.66 : x - Step 2: Convert to fraction form
284,453.12/426,696.05 = 106,961.66/x - Step 3: Cross multiply
284,453.12x = 426,696.05 × 106,961.66 - Step 4: Simplify right side
284,453.12x = 45,640,119,957.64 - Step 5: Solve for x
x = 45,640,119,957.64/284,453.12 - Step 6: Final answer
x = 160,448.65
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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.