Finding the Fourth Proportional to 191,506.44, 264,274.20 and 106,621.68
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Solution
The fourth proportional to 191,506.44, 264,274.20 and 106,621.68 is: 147,135.31
Step by Step Solution
- Step 1: Write the proportion equation
191,506.44 : 264,274.20 = 106,621.68 : x - Step 2: Convert to fraction form
191,506.44/264,274.20 = 106,621.68/x - Step 3: Cross multiply
191,506.44x = 264,274.20 × 106,621.68 - Step 4: Simplify right side
191,506.44x = 28,177,359,184.66 - Step 5: Solve for x
x = 28,177,359,184.66/191,506.44 - Step 6: Final answer
x = 147,135.31
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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.