Finding the Fourth Proportional to 170,477.84, 235,163.08 and 106,704.92
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Solution
The fourth proportional to 170,477.84, 235,163.08 and 106,704.92 is: 147,192.49
Step by Step Solution
- Step 1: Write the proportion equation
170,477.84 : 235,163.08 = 106,704.92 : x - Step 2: Convert to fraction form
170,477.84/235,163.08 = 106,704.92/x - Step 3: Cross multiply
170,477.84x = 235,163.08 × 106,704.92 - Step 4: Simplify right side
170,477.84x = 25,093,057,638.35 - Step 5: Solve for x
x = 25,093,057,638.35/170,477.84 - Step 6: Final answer
x = 147,192.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.