Finding the Fourth Proportional to 276,817.28, 379,516.48 and 271,772.80
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Solution
The fourth proportional to 276,817.28, 379,516.48 and 271,772.80 is: 372,600.50
Step by Step Solution
- Step 1: Write the proportion equation
276,817.28 : 379,516.48 = 271,772.80 : x - Step 2: Convert to fraction form
276,817.28/379,516.48 = 271,772.80/x - Step 3: Cross multiply
276,817.28x = 379,516.48 × 271,772.80 - Step 4: Simplify right side
276,817.28x = 103,142,256,415.74 - Step 5: Solve for x
x = 103,142,256,415.74/276,817.28 - Step 6: Final answer
x = 372,600.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.