Finding the Fourth Proportional to 186,329.20, 279,493.80 and 173,207.20
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Solution
The fourth proportional to 186,329.20, 279,493.80 and 173,207.20 is: 259,810.80
Step by Step Solution
- Step 1: Write the proportion equation
186,329.20 : 279,493.80 = 173,207.20 : x - Step 2: Convert to fraction form
186,329.20/279,493.80 = 173,207.20/x - Step 3: Cross multiply
186,329.20x = 279,493.80 × 173,207.20 - Step 4: Simplify right side
186,329.20x = 48,410,338,515.36 - Step 5: Solve for x
x = 48,410,338,515.36/186,329.20 - Step 6: Final answer
x = 259,810.80
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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.