Finding the Fourth Proportional to 311,445.45, 466,857.14 and 153,787.05
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Solution
The fourth proportional to 311,445.45, 466,857.14 and 153,787.05 is: 230,526.99
Step by Step Solution
- Step 1: Write the proportion equation
311,445.45 : 466,857.14 = 153,787.05 : x - Step 2: Convert to fraction form
311,445.45/466,857.14 = 153,787.05/x - Step 3: Cross multiply
311,445.45x = 466,857.14 × 153,787.05 - Step 4: Simplify right side
311,445.45x = 71,796,581,563.10 - Step 5: Solve for x
x = 71,796,581,563.10/311,445.45 - Step 6: Final answer
x = 230,526.99
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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.