Finding the Fourth Proportional to 186,798.60, 257,782.50 and 106,224.12
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Solution
The fourth proportional to 186,798.60, 257,782.50 and 106,224.12 is: 146,589.53
Step by Step Solution
- Step 1: Write the proportion equation
186,798.60 : 257,782.50 = 106,224.12 : x - Step 2: Convert to fraction form
186,798.60/257,782.50 = 106,224.12/x - Step 3: Cross multiply
186,798.60x = 257,782.50 × 106,224.12 - Step 4: Simplify right side
186,798.60x = 27,382,719,213.90 - Step 5: Solve for x
x = 27,382,719,213.90/186,798.60 - Step 6: Final answer
x = 146,589.53
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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.