Finding the Fourth Proportional to 397,425.42, 596,197.26 and 131,214.06
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Solution
The fourth proportional to 397,425.42, 596,197.26 and 131,214.06 is: 196,840.61
Step by Step Solution
- Step 1: Write the proportion equation
397,425.42 : 596,197.26 = 131,214.06 : x - Step 2: Convert to fraction form
397,425.42/596,197.26 = 131,214.06/x - Step 3: Cross multiply
397,425.42x = 596,197.26 × 131,214.06 - Step 4: Simplify right side
397,425.42x = 78,229,463,045.48 - Step 5: Solve for x
x = 78,229,463,045.48/397,425.42 - Step 6: Final answer
x = 196,840.61
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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.