Finding the Fourth Proportional to 351,686.97, 485,327.34 and 190,546.38
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Solution
The fourth proportional to 351,686.97, 485,327.34 and 190,546.38 is: 262,953.64
Step by Step Solution
- Step 1: Write the proportion equation
351,686.97 : 485,327.34 = 190,546.38 : x - Step 2: Convert to fraction form
351,686.97/485,327.34 = 190,546.38/x - Step 3: Cross multiply
351,686.97x = 485,327.34 × 190,546.38 - Step 4: Simplify right side
351,686.97x = 92,477,367,752.03 - Step 5: Solve for x
x = 92,477,367,752.03/351,686.97 - Step 6: Final answer
x = 262,953.64
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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.