Finding the Fourth Proportional to 190,944.68, 286,458.32 and 72,618.26
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Solution
The fourth proportional to 190,944.68, 286,458.32 and 72,618.26 is: 108,943.09
Step by Step Solution
- Step 1: Write the proportion equation
190,944.68 : 286,458.32 = 72,618.26 : x - Step 2: Convert to fraction form
190,944.68/286,458.32 = 72,618.26/x - Step 3: Cross multiply
190,944.68x = 286,458.32 × 72,618.26 - Step 4: Simplify right side
190,944.68x = 20,802,103,510.18 - Step 5: Solve for x
x = 20,802,103,510.18/190,944.68 - Step 6: Final answer
x = 108,943.09
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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.