Finding the Fourth Proportional to 190,850.28, 263,372.04 and 105,967.68
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Solution
The fourth proportional to 190,850.28, 263,372.04 and 105,967.68 is: 146,234.65
Step by Step Solution
- Step 1: Write the proportion equation
190,850.28 : 263,372.04 = 105,967.68 : x - Step 2: Convert to fraction form
190,850.28/263,372.04 = 105,967.68/x - Step 3: Cross multiply
190,850.28x = 263,372.04 × 105,967.68 - Step 4: Simplify right side
190,850.28x = 27,908,924,055.67 - Step 5: Solve for x
x = 27,908,924,055.67/190,850.28 - Step 6: Final answer
x = 146,234.65
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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.