Finding the Fourth Proportional to 331,073.87, 456,896.99 and 195,113.56
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Solution
The fourth proportional to 331,073.87, 456,896.99 and 195,113.56 is: 269,265.57
Step by Step Solution
- Step 1: Write the proportion equation
331,073.87 : 456,896.99 = 195,113.56 : x - Step 2: Convert to fraction form
331,073.87/456,896.99 = 195,113.56/x - Step 3: Cross multiply
331,073.87x = 456,896.99 × 195,113.56 - Step 4: Simplify right side
331,073.87x = 89,146,795,012.13 - Step 5: Solve for x
x = 89,146,795,012.13/331,073.87 - Step 6: Final answer
x = 269,265.57
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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.