Finding the Fourth Proportional to 397,786.48, 596,537.64 and 131,497.84
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Solution
The fourth proportional to 397,786.48, 596,537.64 and 131,497.84 is: 197,199.79
Step by Step Solution
- Step 1: Write the proportion equation
397,786.48 : 596,537.64 = 131,497.84 : x - Step 2: Convert to fraction form
397,786.48/596,537.64 = 131,497.84/x - Step 3: Cross multiply
397,786.48x = 596,537.64 × 131,497.84 - Step 4: Simplify right side
397,786.48x = 78,443,411,138.70 - Step 5: Solve for x
x = 78,443,411,138.70/397,786.48 - Step 6: Final answer
x = 197,199.79
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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.