Finding the Fourth Proportional to 210,994.20, 316,441.62 and 61,194.96
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Solution
The fourth proportional to 210,994.20, 316,441.62 and 61,194.96 is: 91,778.03
Step by Step Solution
- Step 1: Write the proportion equation
210,994.20 : 316,441.62 = 61,194.96 : x - Step 2: Convert to fraction form
210,994.20/316,441.62 = 61,194.96/x - Step 3: Cross multiply
210,994.20x = 316,441.62 × 61,194.96 - Step 4: Simplify right side
210,994.20x = 19,364,632,278.24 - Step 5: Solve for x
x = 19,364,632,278.24/210,994.20 - Step 6: Final answer
x = 91,778.03
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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.