Finding the Fourth Proportional to 392,964.44, 542,290.93 and 214,116.44
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Solution
The fourth proportional to 392,964.44, 542,290.93 and 214,116.44 is: 295,480.69
Step by Step Solution
- Step 1: Write the proportion equation
392,964.44 : 542,290.93 = 214,116.44 : x - Step 2: Convert to fraction form
392,964.44/542,290.93 = 214,116.44/x - Step 3: Cross multiply
392,964.44x = 542,290.93 × 214,116.44 - Step 4: Simplify right side
392,964.44x = 116,113,402,020.16 - Step 5: Solve for x
x = 116,113,402,020.16/392,964.44 - Step 6: Final answer
x = 295,480.69
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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.