Finding the Fourth Proportional to 453,738.67, 681,028.09 and 229,257.09
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Solution
The fourth proportional to 453,738.67, 681,028.09 and 229,257.09 is: 344,097.89
Step by Step Solution
- Step 1: Write the proportion equation
453,738.67 : 681,028.09 = 229,257.09 : x - Step 2: Convert to fraction form
453,738.67/681,028.09 = 229,257.09/x - Step 3: Cross multiply
453,738.67x = 681,028.09 × 229,257.09 - Step 4: Simplify right side
453,738.67x = 156,130,517,548.52 - Step 5: Solve for x
x = 156,130,517,548.52/453,738.67 - Step 6: Final answer
x = 344,097.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.