Finding the Fourth Proportional to 321,791.92, 482,765.92 and 97,138.93
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Solution
The fourth proportional to 321,791.92, 482,765.92 and 97,138.93 is: 145,731.95
Step by Step Solution
- Step 1: Write the proportion equation
321,791.92 : 482,765.92 = 97,138.93 : x - Step 2: Convert to fraction form
321,791.92/482,765.92 = 97,138.93/x - Step 3: Cross multiply
321,791.92x = 482,765.92 × 97,138.93 - Step 4: Simplify right side
321,791.92x = 46,895,364,423.57 - Step 5: Solve for x
x = 46,895,364,423.57/321,791.92 - Step 6: Final answer
x = 145,731.95
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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.