Finding the Fourth Proportional to 313,471.00, 432,722.42 and 211,634.41
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Solution
The fourth proportional to 313,471.00, 432,722.42 and 211,634.41 is: 292,144.90
Step by Step Solution
- Step 1: Write the proportion equation
313,471.00 : 432,722.42 = 211,634.41 : x - Step 2: Convert to fraction form
313,471.00/432,722.42 = 211,634.41/x - Step 3: Cross multiply
313,471.00x = 432,722.42 × 211,634.41 - Step 4: Simplify right side
313,471.00x = 91,578,954,050.47 - Step 5: Solve for x
x = 91,578,954,050.47/313,471.00 - Step 6: Final answer
x = 292,144.90
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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.