Finding the Fourth Proportional to 123,818.60, 185,622.99 and 48,991.53
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Solution
The fourth proportional to 123,818.60, 185,622.99 and 48,991.53 is: 73,445.79
Step by Step Solution
- Step 1: Write the proportion equation
123,818.60 : 185,622.99 = 48,991.53 : x - Step 2: Convert to fraction form
123,818.60/185,622.99 = 48,991.53/x - Step 3: Cross multiply
123,818.60x = 185,622.99 × 48,991.53 - Step 4: Simplify right side
123,818.60x = 9,093,955,071.22 - Step 5: Solve for x
x = 9,093,955,071.22/123,818.60 - Step 6: Final answer
x = 73,445.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.