Finding the Fourth Proportional to 543,283.07, 749,693.13 and 301,546.63
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Solution
The fourth proportional to 543,283.07, 749,693.13 and 301,546.63 is: 416,113.52
Step by Step Solution
- Step 1: Write the proportion equation
543,283.07 : 749,693.13 = 301,546.63 : x - Step 2: Convert to fraction form
543,283.07/749,693.13 = 301,546.63/x - Step 3: Cross multiply
543,283.07x = 749,693.13 × 301,546.63 - Step 4: Simplify right side
543,283.07x = 226,067,433,137.19 - Step 5: Solve for x
x = 226,067,433,137.19/543,283.07 - Step 6: Final answer
x = 416,113.52
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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.