Finding the Fourth Proportional to 196,010.76, 270,208.53 and 138,548.70
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Solution
The fourth proportional to 196,010.76, 270,208.53 and 138,548.70 is: 190,994.82
Step by Step Solution
- Step 1: Write the proportion equation
196,010.76 : 270,208.53 = 138,548.70 : x - Step 2: Convert to fraction form
196,010.76/270,208.53 = 138,548.70/x - Step 3: Cross multiply
196,010.76x = 270,208.53 × 138,548.70 - Step 4: Simplify right side
196,010.76x = 37,437,040,560.41 - Step 5: Solve for x
x = 37,437,040,560.41/196,010.76 - Step 6: Final answer
x = 190,994.82
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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.