Finding the Fourth Proportional to 186,489.60, 257,356.08 and 101,608.08
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Solution
The fourth proportional to 186,489.60, 257,356.08 and 101,608.08 is: 140,219.39
Step by Step Solution
- Step 1: Write the proportion equation
186,489.60 : 257,356.08 = 101,608.08 : x - Step 2: Convert to fraction form
186,489.60/257,356.08 = 101,608.08/x - Step 3: Cross multiply
186,489.60x = 257,356.08 × 101,608.08 - Step 4: Simplify right side
186,489.60x = 26,149,457,165.13 - Step 5: Solve for x
x = 26,149,457,165.13/186,489.60 - Step 6: Final answer
x = 140,219.39
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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.