Finding the Fourth Proportional to 186,788.81, 257,767.67 and 101,905.88
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Solution
The fourth proportional to 186,788.81, 257,767.67 and 101,905.88 is: 140,629.62
Step by Step Solution
- Step 1: Write the proportion equation
186,788.81 : 257,767.67 = 101,905.88 : x - Step 2: Convert to fraction form
186,788.81/257,767.67 = 101,905.88/x - Step 3: Cross multiply
186,788.81x = 257,767.67 × 101,905.88 - Step 4: Simplify right side
186,788.81x = 26,268,039,448.53 - Step 5: Solve for x
x = 26,268,039,448.53/186,788.81 - Step 6: Final answer
x = 140,629.62
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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.