Finding the Fourth Proportional to 320,546.49, 442,326.60 and 177,270.87
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Solution
The fourth proportional to 320,546.49, 442,326.60 and 177,270.87 is: 244,618.56
Step by Step Solution
- Step 1: Write the proportion equation
320,546.49 : 442,326.60 = 177,270.87 : x - Step 2: Convert to fraction form
320,546.49/442,326.60 = 177,270.87/x - Step 3: Cross multiply
320,546.49x = 442,326.60 × 177,270.87 - Step 4: Simplify right side
320,546.49x = 78,411,621,206.14 - Step 5: Solve for x
x = 78,411,621,206.14/320,546.49 - Step 6: Final answer
x = 244,618.56
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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.