Finding the Fourth Proportional to 331,243.62, 457,116.26 and 180,340.62
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Solution
The fourth proportional to 331,243.62, 457,116.26 and 180,340.62 is: 248,870.09
Step by Step Solution
- Step 1: Write the proportion equation
331,243.62 : 457,116.26 = 180,340.62 : x - Step 2: Convert to fraction form
331,243.62/457,116.26 = 180,340.62/x - Step 3: Cross multiply
331,243.62x = 457,116.26 × 180,340.62 - Step 4: Simplify right side
331,243.62x = 82,436,628,477.15 - Step 5: Solve for x
x = 82,436,628,477.15/331,243.62 - Step 6: Final answer
x = 248,870.09
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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.