Finding the Fourth Proportional to 320,791.99, 442,691.32 and 177,551.66
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Solution
The fourth proportional to 320,791.99, 442,691.32 and 177,551.66 is: 245,020.39
Step by Step Solution
- Step 1: Write the proportion equation
320,791.99 : 442,691.32 = 177,551.66 : x - Step 2: Convert to fraction form
320,791.99/442,691.32 = 177,551.66/x - Step 3: Cross multiply
320,791.99x = 442,691.32 × 177,551.66 - Step 4: Simplify right side
320,791.99x = 78,600,578,733.59 - Step 5: Solve for x
x = 78,600,578,733.59/320,791.99 - Step 6: Final answer
x = 245,020.39
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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.