Finding the Fourth Proportional to 756,171.18, 1,134,278.64 and 282,766.14
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Solution
The fourth proportional to 756,171.18, 1,134,278.64 and 282,766.14 is: 424,157.39
Step by Step Solution
- Step 1: Write the proportion equation
756,171.18 : 1,134,278.64 = 282,766.14 : x - Step 2: Convert to fraction form
756,171.18/1,134,278.64 = 282,766.14/x - Step 3: Cross multiply
756,171.18x = 1,134,278.64 × 282,766.14 - Step 4: Simplify right side
756,171.18x = 320,735,592,717.25 - Step 5: Solve for x
x = 320,735,592,717.25/756,171.18 - Step 6: Final answer
x = 424,157.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.