Finding the Fourth Proportional to 198,003.24, 296,935.74 and 79,643.88
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Solution
The fourth proportional to 198,003.24, 296,935.74 and 79,643.88 is: 119,438.02
Step by Step Solution
- Step 1: Write the proportion equation
198,003.24 : 296,935.74 = 79,643.88 : x - Step 2: Convert to fraction form
198,003.24/296,935.74 = 79,643.88/x - Step 3: Cross multiply
198,003.24x = 296,935.74 × 79,643.88 - Step 4: Simplify right side
198,003.24x = 23,649,114,444.27 - Step 5: Solve for x
x = 23,649,114,444.27/198,003.24 - Step 6: Final answer
x = 119,438.02
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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.