Finding the Fourth Proportional to 106,409.80, 159,541.80 and 50,276.80
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Solution
The fourth proportional to 106,409.80, 159,541.80 and 50,276.80 is: 75,380.76
Step by Step Solution
- Step 1: Write the proportion equation
106,409.80 : 159,541.80 = 50,276.80 : x - Step 2: Convert to fraction form
106,409.80/159,541.80 = 50,276.80/x - Step 3: Cross multiply
106,409.80x = 159,541.80 × 50,276.80 - Step 4: Simplify right side
106,409.80x = 8,021,251,170.24 - Step 5: Solve for x
x = 8,021,251,170.24/106,409.80 - Step 6: Final answer
x = 75,380.76
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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.