Finding the Fourth Proportional to 313,716.94, 432,917.53 and 170,473.91
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Solution
The fourth proportional to 313,716.94, 432,917.53 and 170,473.91 is: 235,247.55
Step by Step Solution
- Step 1: Write the proportion equation
313,716.94 : 432,917.53 = 170,473.91 : x - Step 2: Convert to fraction form
313,716.94/432,917.53 = 170,473.91/x - Step 3: Cross multiply
313,716.94x = 432,917.53 × 170,473.91 - Step 4: Simplify right side
313,716.94x = 73,801,141,455.87 - Step 5: Solve for x
x = 73,801,141,455.87/313,716.94 - Step 6: Final answer
x = 235,247.55
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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.