Finding the Fourth Proportional to 691,253.68, 1,036,887.72 and 192,617.68
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Solution
The fourth proportional to 691,253.68, 1,036,887.72 and 192,617.68 is: 288,928.53
Step by Step Solution
- Step 1: Write the proportion equation
691,253.68 : 1,036,887.72 = 192,617.68 : x - Step 2: Convert to fraction form
691,253.68/1,036,887.72 = 192,617.68/x - Step 3: Cross multiply
691,253.68x = 1,036,887.72 × 192,617.68 - Step 4: Simplify right side
691,253.68x = 199,722,907,046.89 - Step 5: Solve for x
x = 199,722,907,046.89/691,253.68 - Step 6: Final answer
x = 288,928.53
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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.