Finding the Fourth Proportional to 300,449.91, 414,620.22 and 164,482.75
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Solution
The fourth proportional to 300,449.91, 414,620.22 and 164,482.75 is: 226,985.84
Step by Step Solution
- Step 1: Write the proportion equation
300,449.91 : 414,620.22 = 164,482.75 : x - Step 2: Convert to fraction form
300,449.91/414,620.22 = 164,482.75/x - Step 3: Cross multiply
300,449.91x = 414,620.22 × 164,482.75 - Step 4: Simplify right side
300,449.91x = 68,197,873,991.21 - Step 5: Solve for x
x = 68,197,873,991.21/300,449.91 - Step 6: Final answer
x = 226,985.84
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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.