Finding the Fourth Proportional to 543,213.24, 749,619.86 and 301,489.58
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Solution
The fourth proportional to 543,213.24, 749,619.86 and 301,489.58 is: 416,047.62
Step by Step Solution
- Step 1: Write the proportion equation
543,213.24 : 749,619.86 = 301,489.58 : x - Step 2: Convert to fraction form
543,213.24/749,619.86 = 301,489.58/x - Step 3: Cross multiply
543,213.24x = 749,619.86 × 301,489.58 - Step 4: Simplify right side
543,213.24x = 226,002,576,751.06 - Step 5: Solve for x
x = 226,002,576,751.06/543,213.24 - Step 6: Final answer
x = 416,047.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.