Finding the Fourth Proportional to 322,311.80, 444,764.18 and 186,354.48
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Solution
The fourth proportional to 322,311.80, 444,764.18 and 186,354.48 is: 257,154.09
Step by Step Solution
- Step 1: Write the proportion equation
322,311.80 : 444,764.18 = 186,354.48 : x - Step 2: Convert to fraction form
322,311.80/444,764.18 = 186,354.48/x - Step 3: Cross multiply
322,311.80x = 444,764.18 × 186,354.48 - Step 4: Simplify right side
322,311.80x = 82,883,797,486.53 - Step 5: Solve for x
x = 82,883,797,486.53/322,311.80 - Step 6: Final answer
x = 257,154.09
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1.5x scale
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.