Finding the Fourth Proportional to 262,642,331.40, 393,963,497.10 and 241,479,169.80
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Solution
The fourth proportional to 262,642,331.40, 393,963,497.10 and 241,479,169.80 is: 362,218,754.70
Step by Step Solution
- Step 1: Write the proportion equation
262,642,331.40 : 393,963,497.10 = 241,479,169.80 : x - Step 2: Convert to fraction form
262,642,331.40/393,963,497.10 = 241,479,169.80/x - Step 3: Cross multiply
262,642,331.40x = 393,963,497.10 × 241,479,169.80 - Step 4: Simplify right side
262,642,331.40x = 95,133,978,211,212,720 - Step 5: Solve for x
x = 95,133,978,211,212,720/262,642,331.40 - Step 6: Final answer
x = 362,218,754.70
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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.