Finding the Fourth Proportional to 221,532.74, 332,283.06 and 86,571.49
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Solution
The fourth proportional to 221,532.74, 332,283.06 and 86,571.49 is: 129,850.96
Step by Step Solution
- Step 1: Write the proportion equation
221,532.74 : 332,283.06 = 86,571.49 : x - Step 2: Convert to fraction form
221,532.74/332,283.06 = 86,571.49/x - Step 3: Cross multiply
221,532.74x = 332,283.06 × 86,571.49 - Step 4: Simplify right side
221,532.74x = 28,766,239,605.96 - Step 5: Solve for x
x = 28,766,239,605.96/221,532.74 - Step 6: Final answer
x = 129,850.96
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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.