Finding the Fourth Proportional to 206,931.07, 310,239.26 and 107,027.65
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Solution
The fourth proportional to 206,931.07, 310,239.26 and 107,027.65 is: 160,460.09
Step by Step Solution
- Step 1: Write the proportion equation
206,931.07 : 310,239.26 = 107,027.65 : x - Step 2: Convert to fraction form
206,931.07/310,239.26 = 107,027.65/x - Step 3: Cross multiply
206,931.07x = 310,239.26 × 107,027.65 - Step 4: Simplify right side
206,931.07x = 33,204,176,849.20 - Step 5: Solve for x
x = 33,204,176,849.20/206,931.07 - Step 6: Final answer
x = 160,460.09
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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.