Finding the Fourth Proportional to 199,767.60, 275,668.74 and 109,122.26
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Solution
The fourth proportional to 199,767.60, 275,668.74 and 109,122.26 is: 150,582.96
Step by Step Solution
- Step 1: Write the proportion equation
199,767.60 : 275,668.74 = 109,122.26 : x - Step 2: Convert to fraction form
199,767.60/275,668.74 = 109,122.26/x - Step 3: Cross multiply
199,767.60x = 275,668.74 × 109,122.26 - Step 4: Simplify right side
199,767.60x = 30,081,595,920.15 - Step 5: Solve for x
x = 30,081,595,920.15/199,767.60 - Step 6: Final answer
x = 150,582.96
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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.