Finding the Fourth Proportional to 362,523.20, 543,128.70 and 310,035.20
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Solution
The fourth proportional to 362,523.20, 543,128.70 and 310,035.20 is: 464,491.69
Step by Step Solution
- Step 1: Write the proportion equation
362,523.20 : 543,128.70 = 310,035.20 : x - Step 2: Convert to fraction form
362,523.20/543,128.70 = 310,035.20/x - Step 3: Cross multiply
362,523.20x = 543,128.70 × 310,035.20 - Step 4: Simplify right side
362,523.20x = 168,389,015,130.24 - Step 5: Solve for x
x = 168,389,015,130.24/362,523.20 - Step 6: Final answer
x = 464,491.69
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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.