Finding the Fourth Proportional to 284,415.53, 426,684.81 and 84,752.00
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Solution
The fourth proportional to 284,415.53, 426,684.81 and 84,752.00 is: 127,146.33
Step by Step Solution
- Step 1: Write the proportion equation
284,415.53 : 426,684.81 = 84,752.00 : x - Step 2: Convert to fraction form
284,415.53/426,684.81 = 84,752.00/x - Step 3: Cross multiply
284,415.53x = 426,684.81 × 84,752.00 - Step 4: Simplify right side
284,415.53x = 36,162,389,601.53 - Step 5: Solve for x
x = 36,162,389,601.53/284,415.53 - Step 6: Final answer
x = 127,146.33
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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.