Finding the Fourth Proportional to 150,007.68, 207,010.08 and 82,939.68
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Solution
The fourth proportional to 150,007.68, 207,010.08 and 82,939.68 is: 114,456.47
Step by Step Solution
- Step 1: Write the proportion equation
150,007.68 : 207,010.08 = 82,939.68 : x - Step 2: Convert to fraction form
150,007.68/207,010.08 = 82,939.68/x - Step 3: Cross multiply
150,007.68x = 207,010.08 × 82,939.68 - Step 4: Simplify right side
150,007.68x = 17,169,349,791.97 - Step 5: Solve for x
x = 17,169,349,791.97/150,007.68 - Step 6: Final answer
x = 114,456.47
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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.