Finding the Fourth Proportional to 332,409.80, 498,614.70 and 279,921.80
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Solution
The fourth proportional to 332,409.80, 498,614.70 and 279,921.80 is: 419,882.70
Step by Step Solution
- Step 1: Write the proportion equation
332,409.80 : 498,614.70 = 279,921.80 : x - Step 2: Convert to fraction form
332,409.80/498,614.70 = 279,921.80/x - Step 3: Cross multiply
332,409.80x = 498,614.70 × 279,921.80 - Step 4: Simplify right side
332,409.80x = 139,573,124,330.46 - Step 5: Solve for x
x = 139,573,124,330.46/332,409.80 - Step 6: Final answer
x = 419,882.70
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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.