Finding the Fourth Proportional to 183,489.26, 253,194.93 and 102,900.20
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Solution
The fourth proportional to 183,489.26, 253,194.93 and 102,900.20 is: 141,990.92
Step by Step Solution
- Step 1: Write the proportion equation
183,489.26 : 253,194.93 = 102,900.20 : x - Step 2: Convert to fraction form
183,489.26/253,194.93 = 102,900.20/x - Step 3: Cross multiply
183,489.26x = 253,194.93 × 102,900.20 - Step 4: Simplify right side
183,489.26x = 26,053,807,670.01 - Step 5: Solve for x
x = 26,053,807,670.01/183,489.26 - Step 6: Final answer
x = 141,990.92
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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.