Finding the Fourth Proportional to 210,600.18, 290,618.22 and 115,106.96
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Solution
The fourth proportional to 210,600.18, 290,618.22 and 115,106.96 is: 158,842.12
Step by Step Solution
- Step 1: Write the proportion equation
210,600.18 : 290,618.22 = 115,106.96 : x - Step 2: Convert to fraction form
210,600.18/290,618.22 = 115,106.96/x - Step 3: Cross multiply
210,600.18x = 290,618.22 × 115,106.96 - Step 4: Simplify right side
210,600.18x = 33,452,178,371.72 - Step 5: Solve for x
x = 33,452,178,371.72/210,600.18 - Step 6: Final answer
x = 158,842.12
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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.