Finding the Fourth Proportional to 351,418.62, 484,956.96 and 190,273.80
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Solution
The fourth proportional to 351,418.62, 484,956.96 and 190,273.80 is: 262,577.45
Step by Step Solution
- Step 1: Write the proportion equation
351,418.62 : 484,956.96 = 190,273.80 : x - Step 2: Convert to fraction form
351,418.62/484,956.96 = 190,273.80/x - Step 3: Cross multiply
351,418.62x = 484,956.96 × 190,273.80 - Step 4: Simplify right side
351,418.62x = 92,274,603,615.65 - Step 5: Solve for x
x = 92,274,603,615.65/351,418.62 - Step 6: Final answer
x = 262,577.45
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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.