Finding the Fourth Proportional to 220,965.84, 331,448.58 and 54,753.84
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Solution
The fourth proportional to 220,965.84, 331,448.58 and 54,753.84 is: 82,130.72
Step by Step Solution
- Step 1: Write the proportion equation
220,965.84 : 331,448.58 = 54,753.84 : x - Step 2: Convert to fraction form
220,965.84/331,448.58 = 54,753.84/x - Step 3: Cross multiply
220,965.84x = 331,448.58 × 54,753.84 - Step 4: Simplify right side
220,965.84x = 18,148,082,517.55 - Step 5: Solve for x
x = 18,148,082,517.55/220,965.84 - Step 6: Final answer
x = 82,130.72
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1.5x scale
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.