Finding the Fourth Proportional to 762,154.79, 1,143,232.63 and 193,578.53
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Solution
The fourth proportional to 762,154.79, 1,143,232.63 and 193,578.53 is: 290,367.90
Step by Step Solution
- Step 1: Write the proportion equation
762,154.79 : 1,143,232.63 = 193,578.53 : x - Step 2: Convert to fraction form
762,154.79/1,143,232.63 = 193,578.53/x - Step 3: Cross multiply
762,154.79x = 1,143,232.63 × 193,578.53 - Step 4: Simplify right side
762,154.79x = 221,305,286,852.20 - Step 5: Solve for x
x = 221,305,286,852.20/762,154.79 - Step 6: Final answer
x = 290,367.90
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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.