Finding the Fourth Proportional to 543,276.14, 749,720.48 and 301,558.14
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Solution
The fourth proportional to 543,276.14, 749,720.48 and 301,558.14 is: 416,149.90
Step by Step Solution
- Step 1: Write the proportion equation
543,276.14 : 749,720.48 = 301,558.14 : x - Step 2: Convert to fraction form
543,276.14/749,720.48 = 301,558.14/x - Step 3: Cross multiply
543,276.14x = 749,720.48 × 301,558.14 - Step 4: Simplify right side
543,276.14x = 226,084,311,960.92 - Step 5: Solve for x
x = 226,084,311,960.92/543,276.14 - Step 6: Final answer
x = 416,149.90
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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.