Finding the Fourth Proportional to 328,304.24, 492,478.26 and 103,673.84
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Solution
The fourth proportional to 328,304.24, 492,478.26 and 103,673.84 is: 155,517.68
Step by Step Solution
- Step 1: Write the proportion equation
328,304.24 : 492,478.26 = 103,673.84 : x - Step 2: Convert to fraction form
328,304.24/492,478.26 = 103,673.84/x - Step 3: Cross multiply
328,304.24x = 492,478.26 × 103,673.84 - Step 4: Simplify right side
328,304.24x = 51,057,112,330.72 - Step 5: Solve for x
x = 51,057,112,330.72/328,304.24 - Step 6: Final answer
x = 155,517.68
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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.