Finding the Fourth Proportional to 392,486.99, 541,716.46 and 239,492.41
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Solution
The fourth proportional to 392,486.99, 541,716.46 and 239,492.41 is: 330,551.03
Step by Step Solution
- Step 1: Write the proportion equation
392,486.99 : 541,716.46 = 239,492.41 : x - Step 2: Convert to fraction form
392,486.99/541,716.46 = 239,492.41/x - Step 3: Cross multiply
392,486.99x = 541,716.46 × 239,492.41 - Step 4: Simplify right side
392,486.99x = 129,736,980,542.07 - Step 5: Solve for x
x = 129,736,980,542.07/392,486.99 - Step 6: Final answer
x = 330,551.03
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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.