Finding the Fourth Proportional to 327,077.80, 490,252.20 and 127,331.80
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Solution
The fourth proportional to 327,077.80, 490,252.20 and 127,331.80 is: 190,855.80
Step by Step Solution
- Step 1: Write the proportion equation
327,077.80 : 490,252.20 = 127,331.80 : x - Step 2: Convert to fraction form
327,077.80/490,252.20 = 127,331.80/x - Step 3: Cross multiply
327,077.80x = 490,252.20 × 127,331.80 - Step 4: Simplify right side
327,077.80x = 62,424,695,079.96 - Step 5: Solve for x
x = 62,424,695,079.96/327,077.80 - Step 6: Final answer
x = 190,855.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.