Finding the Fourth Proportional to 279,190.98, 418,924.86 and 110,707.70
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Solution
The fourth proportional to 279,190.98, 418,924.86 and 110,707.70 is: 166,116.43
Step by Step Solution
- Step 1: Write the proportion equation
279,190.98 : 418,924.86 = 110,707.70 : x - Step 2: Convert to fraction form
279,190.98/418,924.86 = 110,707.70/x - Step 3: Cross multiply
279,190.98x = 418,924.86 × 110,707.70 - Step 4: Simplify right side
279,190.98x = 46,378,207,723.42 - Step 5: Solve for x
x = 46,378,207,723.42/279,190.98 - Step 6: Final answer
x = 166,116.43
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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.