Finding the Fourth Proportional to 311,278.02, 465,735.65 and 192,655.14
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Solution
The fourth proportional to 311,278.02, 465,735.65 and 192,655.14 is: 288,251.53
Step by Step Solution
- Step 1: Write the proportion equation
311,278.02 : 465,735.65 = 192,655.14 : x - Step 2: Convert to fraction form
311,278.02/465,735.65 = 192,655.14/x - Step 3: Cross multiply
311,278.02x = 465,735.65 × 192,655.14 - Step 4: Simplify right side
311,278.02x = 89,726,365,890.47 - Step 5: Solve for x
x = 89,726,365,890.47/311,278.02 - Step 6: Final answer
x = 288,251.53
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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.