Finding the Fourth Proportional to 206,855.76, 310,125.79 and 106,952.19
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Solution
The fourth proportional to 206,855.76, 310,125.79 and 106,952.19 is: 160,346.67
Step by Step Solution
- Step 1: Write the proportion equation
206,855.76 : 310,125.79 = 106,952.19 : x - Step 2: Convert to fraction form
206,855.76/310,125.79 = 106,952.19/x - Step 3: Cross multiply
206,855.76x = 310,125.79 × 106,952.19 - Step 4: Simplify right side
206,855.76x = 33,168,632,415.98 - Step 5: Solve for x
x = 33,168,632,415.98/206,855.76 - Step 6: Final answer
x = 160,346.67
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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.