Finding the Fourth Proportional to 319,014.28, 440,249.66 and 183,073.09
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Solution
The fourth proportional to 319,014.28, 440,249.66 and 183,073.09 is: 252,646.58
Step by Step Solution
- Step 1: Write the proportion equation
319,014.28 : 440,249.66 = 183,073.09 : x - Step 2: Convert to fraction form
319,014.28/440,249.66 = 183,073.09/x - Step 3: Cross multiply
319,014.28x = 440,249.66 × 183,073.09 - Step 4: Simplify right side
319,014.28x = 80,597,865,627.65 - Step 5: Solve for x
x = 80,597,865,627.65/319,014.28 - Step 6: Final answer
x = 252,646.58
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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.