Finding the Fourth Proportional to 343,817.43, 474,463.87 and 190,856.82
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Solution
The fourth proportional to 343,817.43, 474,463.87 and 190,856.82 is: 263,380.09
Step by Step Solution
- Step 1: Write the proportion equation
343,817.43 : 474,463.87 = 190,856.82 : x - Step 2: Convert to fraction form
343,817.43/474,463.87 = 190,856.82/x - Step 3: Cross multiply
343,817.43x = 474,463.87 × 190,856.82 - Step 4: Simplify right side
343,817.43x = 90,554,665,433.09 - Step 5: Solve for x
x = 90,554,665,433.09/343,817.43 - Step 6: Final answer
x = 263,380.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.