Finding the Fourth Proportional to 163,207.99, 225,243.21 and 91,588.30
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Solution
The fourth proportional to 163,207.99, 225,243.21 and 91,588.30 is: 126,400.93
Step by Step Solution
- Step 1: Write the proportion equation
163,207.99 : 225,243.21 = 91,588.30 : x - Step 2: Convert to fraction form
163,207.99/225,243.21 = 91,588.30/x - Step 3: Cross multiply
163,207.99x = 225,243.21 × 91,588.30 - Step 4: Simplify right side
163,207.99x = 20,629,642,470.79 - Step 5: Solve for x
x = 20,629,642,470.79/163,207.99 - Step 6: Final answer
x = 126,400.93
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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.