Finding the Fourth Proportional to 320,711.58, 442,575.36 and 177,471.54
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Solution
The fourth proportional to 320,711.58, 442,575.36 and 177,471.54 is: 244,907.06
Step by Step Solution
- Step 1: Write the proportion equation
320,711.58 : 442,575.36 = 177,471.54 : x - Step 2: Convert to fraction form
320,711.58/442,575.36 = 177,471.54/x - Step 3: Cross multiply
320,711.58x = 442,575.36 × 177,471.54 - Step 4: Simplify right side
320,711.58x = 78,544,530,705.25 - Step 5: Solve for x
x = 78,544,530,705.25/320,711.58 - Step 6: Final answer
x = 244,907.06
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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.