Finding the Fourth Proportional to 308,415.12, 462,378.86 and 202,459.02
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Solution
The fourth proportional to 308,415.12, 462,378.86 and 202,459.02 is: 303,528.47
Step by Step Solution
- Step 1: Write the proportion equation
308,415.12 : 462,378.86 = 202,459.02 : x - Step 2: Convert to fraction form
308,415.12/462,378.86 = 202,459.02/x - Step 3: Cross multiply
308,415.12x = 462,378.86 × 202,459.02 - Step 4: Simplify right side
308,415.12x = 93,612,770,864.32 - Step 5: Solve for x
x = 93,612,770,864.32/308,415.12 - Step 6: Final answer
x = 303,528.47
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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.