Finding the Fourth Proportional to 540,163.68, 745,405.76 and 298,441.08
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Solution
The fourth proportional to 540,163.68, 745,405.76 and 298,441.08 is: 411,837.57
Step by Step Solution
- Step 1: Write the proportion equation
540,163.68 : 745,405.76 = 298,441.08 : x - Step 2: Convert to fraction form
540,163.68/745,405.76 = 298,441.08/x - Step 3: Cross multiply
540,163.68x = 745,405.76 × 298,441.08 - Step 4: Simplify right side
540,163.68x = 222,459,700,052.62 - Step 5: Solve for x
x = 222,459,700,052.62/540,163.68 - Step 6: Final answer
x = 411,837.57
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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.