Finding the Fourth Proportional to 150,218.48, 207,301.79 and 82,239.68
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Solution
The fourth proportional to 150,218.48, 207,301.79 and 82,239.68 is: 113,490.92
Step by Step Solution
- Step 1: Write the proportion equation
150,218.48 : 207,301.79 = 82,239.68 : x - Step 2: Convert to fraction form
150,218.48/207,301.79 = 82,239.68/x - Step 3: Cross multiply
150,218.48x = 207,301.79 × 82,239.68 - Step 4: Simplify right side
150,218.48x = 17,048,432,873.03 - Step 5: Solve for x
x = 17,048,432,873.03/150,218.48 - Step 6: Final answer
x = 113,490.92
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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.