Finding the Fourth Proportional to 540,161.69, 745,403.00 and 298,439.08
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Solution
The fourth proportional to 540,161.69, 745,403.00 and 298,439.08 is: 411,834.80
Step by Step Solution
- Step 1: Write the proportion equation
540,161.69 : 745,403.00 = 298,439.08 : x - Step 2: Convert to fraction form
540,161.69/745,403.00 = 298,439.08/x - Step 3: Cross multiply
540,161.69x = 745,403.00 × 298,439.08 - Step 4: Simplify right side
540,161.69x = 222,457,382,193.54 - Step 5: Solve for x
x = 222,457,382,193.54/540,161.69 - Step 6: Final answer
x = 411,834.80
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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.