Finding the Fourth Proportional to 186,619.68, 257,528.64 and 101,735.04
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Solution
The fourth proportional to 186,619.68, 257,528.64 and 101,735.04 is: 140,390.80
Step by Step Solution
- Step 1: Write the proportion equation
186,619.68 : 257,528.64 = 101,735.04 : x - Step 2: Convert to fraction form
186,619.68/257,528.64 = 101,735.04/x - Step 3: Cross multiply
186,619.68x = 257,528.64 × 101,735.04 - Step 4: Simplify right side
186,619.68x = 26,199,686,491.55 - Step 5: Solve for x
x = 26,199,686,491.55/186,619.68 - Step 6: Final answer
x = 140,390.80
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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.