Finding the Fourth Proportional to 397,212.26, 546,952.91 and 342,296.69
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Solution
The fourth proportional to 397,212.26, 546,952.91 and 342,296.69 is: 471,335.32
Step by Step Solution
- Step 1: Write the proportion equation
397,212.26 : 546,952.91 = 342,296.69 : x - Step 2: Convert to fraction form
397,212.26/546,952.91 = 342,296.69/x - Step 3: Cross multiply
397,212.26x = 546,952.91 × 342,296.69 - Step 4: Simplify right side
397,212.26x = 187,220,166,232.62 - Step 5: Solve for x
x = 187,220,166,232.62/397,212.26 - Step 6: Final answer
x = 471,335.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.