Finding the Fourth Proportional to 284,356.74, 426,469.50 and 106,881.69
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Solution
The fourth proportional to 284,356.74, 426,469.50 and 106,881.69 is: 160,297.87
Step by Step Solution
- Step 1: Write the proportion equation
284,356.74 : 426,469.50 = 106,881.69 : x - Step 2: Convert to fraction form
284,356.74/426,469.50 = 106,881.69/x - Step 3: Cross multiply
284,356.74x = 426,469.50 × 106,881.69 - Step 4: Simplify right side
284,356.74x = 45,581,780,893.46 - Step 5: Solve for x
x = 45,581,780,893.46/284,356.74 - Step 6: Final answer
x = 160,297.87
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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.