Finding the Fourth Proportional to 274,330.70, 410,839.95 and 221,842.70
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Solution
The fourth proportional to 274,330.70, 410,839.95 and 221,842.70 is: 332,233.48
Step by Step Solution
- Step 1: Write the proportion equation
274,330.70 : 410,839.95 = 221,842.70 : x - Step 2: Convert to fraction form
274,330.70/410,839.95 = 221,842.70/x - Step 3: Cross multiply
274,330.70x = 410,839.95 × 221,842.70 - Step 4: Simplify right side
274,330.70x = 91,141,843,775.87 - Step 5: Solve for x
x = 91,141,843,775.87/274,330.70 - Step 6: Final answer
x = 332,233.48
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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.