Finding the Fourth Proportional to 196,557.87, 294,779.79 and 76,588.06
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Solution
The fourth proportional to 196,557.87, 294,779.79 and 76,588.06 is: 114,859.88
Step by Step Solution
- Step 1: Write the proportion equation
196,557.87 : 294,779.79 = 76,588.06 : x - Step 2: Convert to fraction form
196,557.87/294,779.79 = 76,588.06/x - Step 3: Cross multiply
196,557.87x = 294,779.79 × 76,588.06 - Step 4: Simplify right side
196,557.87x = 22,576,612,611.78 - Step 5: Solve for x
x = 22,576,612,611.78/196,557.87 - Step 6: Final answer
x = 114,859.88
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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.