Finding the Fourth Proportional to 292,512.25, 438,436.68 and 134,414.02
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Solution
The fourth proportional to 292,512.25, 438,436.68 and 134,414.02 is: 201,468.61
Step by Step Solution
- Step 1: Write the proportion equation
292,512.25 : 438,436.68 = 134,414.02 : x - Step 2: Convert to fraction form
292,512.25/438,436.68 = 134,414.02/x - Step 3: Cross multiply
292,512.25x = 438,436.68 × 134,414.02 - Step 4: Simplify right side
292,512.25x = 58,932,036,674.25 - Step 5: Solve for x
x = 58,932,036,674.25/292,512.25 - Step 6: Final answer
x = 201,468.61
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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.