Finding the Fourth Proportional to 386,731.26, 533,787.24 and 264,273.23
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Solution
The fourth proportional to 386,731.26, 533,787.24 and 264,273.23 is: 364,764.09
Step by Step Solution
- Step 1: Write the proportion equation
386,731.26 : 533,787.24 = 264,273.23 : x - Step 2: Convert to fraction form
386,731.26/533,787.24 = 264,273.23/x - Step 3: Cross multiply
386,731.26x = 533,787.24 × 264,273.23 - Step 4: Simplify right side
386,731.26x = 141,065,678,047.59 - Step 5: Solve for x
x = 141,065,678,047.59/386,731.26 - Step 6: Final answer
x = 364,764.09
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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.