Finding the Fourth Proportional to 397,421.03, 548,248.30 and 236,161.98
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Solution
The fourth proportional to 397,421.03, 548,248.30 and 236,161.98 is: 325,789.01
Step by Step Solution
- Step 1: Write the proportion equation
397,421.03 : 548,248.30 = 236,161.98 : x - Step 2: Convert to fraction form
397,421.03/548,248.30 = 236,161.98/x - Step 3: Cross multiply
397,421.03x = 548,248.30 × 236,161.98 - Step 4: Simplify right side
397,421.03x = 129,475,403,469.23 - Step 5: Solve for x
x = 129,475,403,469.23/397,421.03 - Step 6: Final answer
x = 325,789.01
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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.