Finding the Fourth Proportional to 201,613.07, 278,223.89 and 110,967.09
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Solution
The fourth proportional to 201,613.07, 278,223.89 and 110,967.09 is: 153,133.40
Step by Step Solution
- Step 1: Write the proportion equation
201,613.07 : 278,223.89 = 110,967.09 : x - Step 2: Convert to fraction form
201,613.07/278,223.89 = 110,967.09/x - Step 3: Cross multiply
201,613.07x = 278,223.89 × 110,967.09 - Step 4: Simplify right side
201,613.07x = 30,873,694,886.94 - Step 5: Solve for x
x = 30,873,694,886.94/201,613.07 - Step 6: Final answer
x = 153,133.40
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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.