Finding the Fourth Proportional to 271,913.12, 375,285.05 and 226,519.21
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Solution
The fourth proportional to 271,913.12, 375,285.05 and 226,519.21 is: 312,633.95
Step by Step Solution
- Step 1: Write the proportion equation
271,913.12 : 375,285.05 = 226,519.21 : x - Step 2: Convert to fraction form
271,913.12/375,285.05 = 226,519.21/x - Step 3: Cross multiply
271,913.12x = 375,285.05 × 226,519.21 - Step 4: Simplify right side
271,913.12x = 85,009,273,050.81 - Step 5: Solve for x
x = 85,009,273,050.81/271,913.12 - Step 6: Final answer
x = 312,633.95
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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.