Finding the Fourth Proportional to 731,981.68, 1,097,847.97 and 199,378.18
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Solution
The fourth proportional to 731,981.68, 1,097,847.97 and 199,378.18 is: 299,033.34
Step by Step Solution
- Step 1: Write the proportion equation
731,981.68 : 1,097,847.97 = 199,378.18 : x - Step 2: Convert to fraction form
731,981.68/1,097,847.97 = 199,378.18/x - Step 3: Cross multiply
731,981.68x = 1,097,847.97 × 199,378.18 - Step 4: Simplify right side
731,981.68x = 218,886,930,175.30 - Step 5: Solve for x
x = 218,886,930,175.30/731,981.68 - Step 6: Final answer
x = 299,033.34
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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.