Finding the Fourth Proportional to 191,286.16, 263,958.55 and 110,718.70
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Solution
The fourth proportional to 191,286.16, 263,958.55 and 110,718.70 is: 152,782.34
Step by Step Solution
- Step 1: Write the proportion equation
191,286.16 : 263,958.55 = 110,718.70 : x - Step 2: Convert to fraction form
191,286.16/263,958.55 = 110,718.70/x - Step 3: Cross multiply
191,286.16x = 263,958.55 × 110,718.70 - Step 4: Simplify right side
191,286.16x = 29,225,146,573.19 - Step 5: Solve for x
x = 29,225,146,573.19/191,286.16 - Step 6: Final answer
x = 152,782.34
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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.