Finding the Fourth Proportional to 112,914.99, 169,438.10 and 50,585.49
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Solution
The fourth proportional to 112,914.99, 169,438.10 and 50,585.49 is: 75,907.63
Step by Step Solution
- Step 1: Write the proportion equation
112,914.99 : 169,438.10 = 50,585.49 : x - Step 2: Convert to fraction form
112,914.99/169,438.10 = 50,585.49/x - Step 3: Cross multiply
112,914.99x = 169,438.10 × 50,585.49 - Step 4: Simplify right side
112,914.99x = 8,571,109,060.24 - Step 5: Solve for x
x = 8,571,109,060.24/112,914.99 - Step 6: Final answer
x = 75,907.63
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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.