Finding the Fourth Proportional to 441,071.18, 608,453.80 and 288,198.74
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Solution
The fourth proportional to 441,071.18, 608,453.80 and 288,198.74 is: 397,567.62
Step by Step Solution
- Step 1: Write the proportion equation
441,071.18 : 608,453.80 = 288,198.74 : x - Step 2: Convert to fraction form
441,071.18/608,453.80 = 288,198.74/x - Step 3: Cross multiply
441,071.18x = 608,453.80 × 288,198.74 - Step 4: Simplify right side
441,071.18x = 175,355,618,508.21 - Step 5: Solve for x
x = 175,355,618,508.21/441,071.18 - Step 6: Final answer
x = 397,567.62
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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.