Finding the Fourth Proportional to 323,839.42, 485,791.52 and 99,197.26
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Solution
The fourth proportional to 323,839.42, 485,791.52 and 99,197.26 is: 148,805.81
Step by Step Solution
- Step 1: Write the proportion equation
323,839.42 : 485,791.52 = 99,197.26 : x - Step 2: Convert to fraction form
323,839.42/485,791.52 = 99,197.26/x - Step 3: Cross multiply
323,839.42x = 485,791.52 × 99,197.26 - Step 4: Simplify right side
323,839.42x = 48,189,187,715.24 - Step 5: Solve for x
x = 48,189,187,715.24/323,839.42 - Step 6: Final answer
x = 148,805.81
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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.