Finding the Fourth Proportional to 540,163.69, 745,405.75 and 298,441.08
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Solution
The fourth proportional to 540,163.69, 745,405.75 and 298,441.08 is: 411,837.56
Step by Step Solution
- Step 1: Write the proportion equation
540,163.69 : 745,405.75 = 298,441.08 : x - Step 2: Convert to fraction form
540,163.69/745,405.75 = 298,441.08/x - Step 3: Cross multiply
540,163.69x = 745,405.75 × 298,441.08 - Step 4: Simplify right side
540,163.69x = 222,459,697,068.21 - Step 5: Solve for x
x = 222,459,697,068.21/540,163.69 - Step 6: Final answer
x = 411,837.56
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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.