Finding the Fourth Proportional to 271,966.80, 407,143.80 and 202,155.60
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Solution
The fourth proportional to 271,966.80, 407,143.80 and 202,155.60 is: 302,633.99
Step by Step Solution
- Step 1: Write the proportion equation
271,966.80 : 407,143.80 = 202,155.60 : x - Step 2: Convert to fraction form
271,966.80/407,143.80 = 202,155.60/x - Step 3: Cross multiply
271,966.80x = 407,143.80 × 202,155.60 - Step 4: Simplify right side
271,966.80x = 82,306,399,175.28 - Step 5: Solve for x
x = 82,306,399,175.28/271,966.80 - Step 6: Final answer
x = 302,633.99
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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.