Finding the Fourth Proportional to 320,840.66, 442,754.70 and 177,597.62
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Solution
The fourth proportional to 320,840.66, 442,754.70 and 177,597.62 is: 245,081.72
Step by Step Solution
- Step 1: Write the proportion equation
320,840.66 : 442,754.70 = 177,597.62 : x - Step 2: Convert to fraction form
320,840.66/442,754.70 = 177,597.62/x - Step 3: Cross multiply
320,840.66x = 442,754.70 × 177,597.62 - Step 4: Simplify right side
320,840.66x = 78,632,180,963.81 - Step 5: Solve for x
x = 78,632,180,963.81/320,840.66 - Step 6: Final answer
x = 245,081.72
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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.