Finding the Fourth Proportional to 691,099.53, 1,036,645.18 and 178,764.70
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Solution
The fourth proportional to 691,099.53, 1,036,645.18 and 178,764.70 is: 268,145.99
Step by Step Solution
- Step 1: Write the proportion equation
691,099.53 : 1,036,645.18 = 178,764.70 : x - Step 2: Convert to fraction form
691,099.53/1,036,645.18 = 178,764.70/x - Step 3: Cross multiply
691,099.53x = 1,036,645.18 × 178,764.70 - Step 4: Simplify right side
691,099.53x = 185,315,564,609.15 - Step 5: Solve for x
x = 185,315,564,609.15/691,099.53 - Step 6: Final answer
x = 268,145.99
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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.