Finding the Fourth Proportional to 449,761.23, 620,578.94 and 268,415.19
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Solution
The fourth proportional to 449,761.23, 620,578.94 and 268,415.19 is: 370,358.32
Step by Step Solution
- Step 1: Write the proportion equation
449,761.23 : 620,578.94 = 268,415.19 : x - Step 2: Convert to fraction form
449,761.23/620,578.94 = 268,415.19/x - Step 3: Cross multiply
449,761.23x = 620,578.94 × 268,415.19 - Step 4: Simplify right side
449,761.23x = 166,572,812,748.02 - Step 5: Solve for x
x = 166,572,812,748.02/449,761.23 - Step 6: Final answer
x = 370,358.32
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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.