Finding the Fourth Proportional to 159,777.73, 220,453.95 and 97,672.54
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Solution
The fourth proportional to 159,777.73, 220,453.95 and 97,672.54 is: 134,764.07
Step by Step Solution
- Step 1: Write the proportion equation
159,777.73 : 220,453.95 = 97,672.54 : x - Step 2: Convert to fraction form
159,777.73/220,453.95 = 97,672.54/x - Step 3: Cross multiply
159,777.73x = 220,453.95 × 97,672.54 - Step 4: Simplify right side
159,777.73x = 21,532,297,249.53 - Step 5: Solve for x
x = 21,532,297,249.53/159,777.73 - Step 6: Final answer
x = 134,764.07
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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.