Finding the Fourth Proportional to 386,755.17, 533,711.84 and 214,672.64
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Solution
The fourth proportional to 386,755.17, 533,711.84 and 214,672.64 is: 296,242.52
Step by Step Solution
- Step 1: Write the proportion equation
386,755.17 : 533,711.84 = 214,672.64 : x - Step 2: Convert to fraction form
386,755.17/533,711.84 = 214,672.64/x - Step 3: Cross multiply
386,755.17x = 533,711.84 × 214,672.64 - Step 4: Simplify right side
386,755.17x = 114,573,325,950.14 - Step 5: Solve for x
x = 114,573,325,950.14/386,755.17 - Step 6: Final answer
x = 296,242.52
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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.