Finding the Fourth Proportional to 221,727.27, 332,643.85 and 71,967.99
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Solution
The fourth proportional to 221,727.27, 332,643.85 and 71,967.99 is: 107,969.17
Step by Step Solution
- Step 1: Write the proportion equation
221,727.27 : 332,643.85 = 71,967.99 : x - Step 2: Convert to fraction form
221,727.27/332,643.85 = 71,967.99/x - Step 3: Cross multiply
221,727.27x = 332,643.85 × 71,967.99 - Step 4: Simplify right side
221,727.27x = 23,939,708,247.85 - Step 5: Solve for x
x = 23,939,708,247.85/221,727.27 - Step 6: Final answer
x = 107,969.17
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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.