Finding the Fourth Proportional to 449,896.86, 674,509.14 and 272,361.06
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Solution
The fourth proportional to 449,896.86, 674,509.14 and 272,361.06 is: 408,338.09
Step by Step Solution
- Step 1: Write the proportion equation
449,896.86 : 674,509.14 = 272,361.06 : x - Step 2: Convert to fraction form
449,896.86/674,509.14 = 272,361.06/x - Step 3: Cross multiply
449,896.86x = 674,509.14 × 272,361.06 - Step 4: Simplify right side
449,896.86x = 183,710,024,350.09 - Step 5: Solve for x
x = 183,710,024,350.09/449,896.86 - Step 6: Final answer
x = 408,338.09
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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.