Finding the Fourth Proportional to 451,252.07, 622,745.12 and 257,691.37
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Solution
The fourth proportional to 451,252.07, 622,745.12 and 257,691.37 is: 355,623.95
Step by Step Solution
- Step 1: Write the proportion equation
451,252.07 : 622,745.12 = 257,691.37 : x - Step 2: Convert to fraction form
451,252.07/622,745.12 = 257,691.37/x - Step 3: Cross multiply
451,252.07x = 622,745.12 × 257,691.37 - Step 4: Simplify right side
451,252.07x = 160,476,043,133.61 - Step 5: Solve for x
x = 160,476,043,133.61/451,252.07 - Step 6: Final answer
x = 355,623.95
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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.