Finding the Fourth Proportional to 186,114.16, 279,007.36 and 73,873.20
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Solution
The fourth proportional to 186,114.16, 279,007.36 and 73,873.20 is: 110,744.75
Step by Step Solution
- Step 1: Write the proportion equation
186,114.16 : 279,007.36 = 73,873.20 : x - Step 2: Convert to fraction form
186,114.16/279,007.36 = 73,873.20/x - Step 3: Cross multiply
186,114.16x = 279,007.36 × 73,873.20 - Step 4: Simplify right side
186,114.16x = 20,611,166,506.75 - Step 5: Solve for x
x = 20,611,166,506.75/186,114.16 - Step 6: Final answer
x = 110,744.75
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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.