Finding the Fourth Proportional to 481,497.76, 722,244.84 and 144,536.96
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Solution
The fourth proportional to 481,497.76, 722,244.84 and 144,536.96 is: 216,804.90
Step by Step Solution
- Step 1: Write the proportion equation
481,497.76 : 722,244.84 = 144,536.96 : x - Step 2: Convert to fraction form
481,497.76/722,244.84 = 144,536.96/x - Step 3: Cross multiply
481,497.76x = 722,244.84 × 144,536.96 - Step 4: Simplify right side
481,497.76x = 104,391,073,549.29 - Step 5: Solve for x
x = 104,391,073,549.29/481,497.76 - Step 6: Final answer
x = 216,804.90
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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.