Finding the Fourth Proportional to 397,694.09, 596,634.58 and 131,454.63
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Solution
The fourth proportional to 397,694.09, 596,634.58 and 131,454.63 is: 197,212.83
Step by Step Solution
- Step 1: Write the proportion equation
397,694.09 : 596,634.58 = 131,454.63 : x - Step 2: Convert to fraction form
397,694.09/596,634.58 = 131,454.63/x - Step 3: Cross multiply
397,694.09x = 596,634.58 × 131,454.63 - Step 4: Simplify right side
397,694.09x = 78,430,377,301.83 - Step 5: Solve for x
x = 78,430,377,301.83/397,694.09 - Step 6: Final answer
x = 197,212.83
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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.