Finding the Fourth Proportional to 183,722.10, 275,291.55 and 121,319.70
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Solution
The fourth proportional to 183,722.10, 275,291.55 and 121,319.70 is: 181,786.99
Step by Step Solution
- Step 1: Write the proportion equation
183,722.10 : 275,291.55 = 121,319.70 : x - Step 2: Convert to fraction form
183,722.10/275,291.55 = 121,319.70/x - Step 3: Cross multiply
183,722.10x = 275,291.55 × 121,319.70 - Step 4: Simplify right side
183,722.10x = 33,398,288,258.54 - Step 5: Solve for x
x = 33,398,288,258.54/183,722.10 - Step 6: Final answer
x = 181,786.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.