Finding the Fourth Proportional to 72,176.55, 108,223.11 and 22,243.23
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Solution
The fourth proportional to 72,176.55, 108,223.11 and 22,243.23 is: 33,351.99
Step by Step Solution
- Step 1: Write the proportion equation
72,176.55 : 108,223.11 = 22,243.23 : x - Step 2: Convert to fraction form
72,176.55/108,223.11 = 22,243.23/x - Step 3: Cross multiply
72,176.55x = 108,223.11 × 22,243.23 - Step 4: Simplify right side
72,176.55x = 2,407,231,527.05 - Step 5: Solve for x
x = 2,407,231,527.05/72,176.55 - Step 6: Final answer
x = 33,351.99
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1.5x scale
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.