Finding the Fourth Proportional to 201,589.39, 278,182.99 and 110,953.96
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Solution
The fourth proportional to 201,589.39, 278,182.99 and 110,953.96 is: 153,110.76
Step by Step Solution
- Step 1: Write the proportion equation
201,589.39 : 278,182.99 = 110,953.96 : x - Step 2: Convert to fraction form
201,589.39/278,182.99 = 110,953.96/x - Step 3: Cross multiply
201,589.39x = 278,182.99 × 110,953.96 - Step 4: Simplify right side
201,589.39x = 30,865,504,345.14 - Step 5: Solve for x
x = 30,865,504,345.14/201,589.39 - Step 6: Final answer
x = 153,110.76
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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.