Finding the Fourth Proportional to 313,703.13, 432,912.70 and 170,463.94
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Solution
The fourth proportional to 313,703.13, 432,912.70 and 170,463.94 is: 235,241.53
Step by Step Solution
- Step 1: Write the proportion equation
313,703.13 : 432,912.70 = 170,463.94 : x - Step 2: Convert to fraction form
313,703.13/432,912.70 = 170,463.94/x - Step 3: Cross multiply
313,703.13x = 432,912.70 × 170,463.94 - Step 4: Simplify right side
313,703.13x = 73,796,004,633.02 - Step 5: Solve for x
x = 73,796,004,633.02/313,703.13 - Step 6: Final answer
x = 235,241.53
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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.