Finding the Fourth Proportional to 480,211.81, 662,816.78 and 276,283.62
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Solution
The fourth proportional to 480,211.81, 662,816.78 and 276,283.62 is: 381,343.02
Step by Step Solution
- Step 1: Write the proportion equation
480,211.81 : 662,816.78 = 276,283.62 : x - Step 2: Convert to fraction form
480,211.81/662,816.78 = 276,283.62/x - Step 3: Cross multiply
480,211.81x = 662,816.78 × 276,283.62 - Step 4: Simplify right side
480,211.81x = 183,125,419,029.79 - Step 5: Solve for x
x = 183,125,419,029.79/480,211.81 - Step 6: Final answer
x = 381,343.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.