Finding the Fourth Proportional to 449,639.86, 674,939.94 and 193,599.14
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Solution
The fourth proportional to 449,639.86, 674,939.94 and 193,599.14 is: 290,605.44
Step by Step Solution
- Step 1: Write the proportion equation
449,639.86 : 674,939.94 = 193,599.14 : x - Step 2: Convert to fraction form
449,639.86/674,939.94 = 193,599.14/x - Step 3: Cross multiply
449,639.86x = 674,939.94 × 193,599.14 - Step 4: Simplify right side
449,639.86x = 130,667,790,822.22 - Step 5: Solve for x
x = 130,667,790,822.22/449,639.86 - Step 6: Final answer
x = 290,605.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.