Finding the Fourth Proportional to 691,251.68, 1,036,884.72 and 192,615.68
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Solution
The fourth proportional to 691,251.68, 1,036,884.72 and 192,615.68 is: 288,925.53
Step by Step Solution
- Step 1: Write the proportion equation
691,251.68 : 1,036,884.72 = 192,615.68 : x - Step 2: Convert to fraction form
691,251.68/1,036,884.72 = 192,615.68/x - Step 3: Cross multiply
691,251.68x = 1,036,884.72 × 192,615.68 - Step 4: Simplify right side
691,251.68x = 199,720,255,424.41 - Step 5: Solve for x
x = 199,720,255,424.41/691,251.68 - Step 6: Final answer
x = 288,925.53
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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.