Finding the Fourth Proportional to 206,833.14, 310,173.09 and 73,678.02
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Solution
The fourth proportional to 206,833.14, 310,173.09 and 73,678.02 is: 110,489.74
Step by Step Solution
- Step 1: Write the proportion equation
206,833.14 : 310,173.09 = 73,678.02 : x - Step 2: Convert to fraction form
206,833.14/310,173.09 = 73,678.02/x - Step 3: Cross multiply
206,833.14x = 310,173.09 × 73,678.02 - Step 4: Simplify right side
206,833.14x = 22,852,939,128.48 - Step 5: Solve for x
x = 22,852,939,128.48/206,833.14 - Step 6: Final answer
x = 110,489.74
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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.