Finding the Fourth Proportional to 203,977.17, 305,755.34 and 147,677.49
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Solution
The fourth proportional to 203,977.17, 305,755.34 and 147,677.49 is: 221,363.89
Step by Step Solution
- Step 1: Write the proportion equation
203,977.17 : 305,755.34 = 147,677.49 : x - Step 2: Convert to fraction form
203,977.17/305,755.34 = 147,677.49/x - Step 3: Cross multiply
203,977.17x = 305,755.34 × 147,677.49 - Step 4: Simplify right side
203,977.17x = 45,153,180,426.91 - Step 5: Solve for x
x = 45,153,180,426.91/203,977.17 - Step 6: Final answer
x = 221,363.89
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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.