Finding the Fourth Proportional to 208,968.24, 313,474.24 and 68,737.80
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Solution
The fourth proportional to 208,968.24, 313,474.24 and 68,737.80 is: 103,113.90
Step by Step Solution
- Step 1: Write the proportion equation
208,968.24 : 313,474.24 = 68,737.80 : x - Step 2: Convert to fraction form
208,968.24/313,474.24 = 68,737.80/x - Step 3: Cross multiply
208,968.24x = 313,474.24 × 68,737.80 - Step 4: Simplify right side
208,968.24x = 21,547,529,614.27 - Step 5: Solve for x
x = 21,547,529,614.27/208,968.24 - Step 6: Final answer
x = 103,113.90
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1.5x scale
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.