Finding the Fourth Proportional to 210,170.26, 290,034.66 and 134,718.76
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Solution
The fourth proportional to 210,170.26, 290,034.66 and 134,718.76 is: 185,911.70
Step by Step Solution
- Step 1: Write the proportion equation
210,170.26 : 290,034.66 = 134,718.76 : x - Step 2: Convert to fraction form
210,170.26/290,034.66 = 134,718.76/x - Step 3: Cross multiply
210,170.26x = 290,034.66 × 134,718.76 - Step 4: Simplify right side
210,170.26x = 39,073,109,752.22 - Step 5: Solve for x
x = 39,073,109,752.22/210,170.26 - Step 6: Final answer
x = 185,911.70
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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.