Finding the Fourth Proportional to 192,647.58, 265,863.99 and 107,759.58
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Solution
The fourth proportional to 192,647.58, 265,863.99 and 107,759.58 is: 148,714.00
Step by Step Solution
- Step 1: Write the proportion equation
192,647.58 : 265,863.99 = 107,759.58 : x - Step 2: Convert to fraction form
192,647.58/265,863.99 = 107,759.58/x - Step 3: Cross multiply
192,647.58x = 265,863.99 × 107,759.58 - Step 4: Simplify right side
192,647.58x = 28,649,391,899.52 - Step 5: Solve for x
x = 28,649,391,899.52/192,647.58 - Step 6: Final answer
x = 148,714.00
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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.