Finding the Fourth Proportional to 222,026.94, 306,401.67 and 121,431.42
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Solution
The fourth proportional to 222,026.94, 306,401.67 and 121,431.42 is: 167,577.82
Step by Step Solution
- Step 1: Write the proportion equation
222,026.94 : 306,401.67 = 121,431.42 : x - Step 2: Convert to fraction form
222,026.94/306,401.67 = 121,431.42/x - Step 3: Cross multiply
222,026.94x = 306,401.67 × 121,431.42 - Step 4: Simplify right side
222,026.94x = 37,206,789,878.47 - Step 5: Solve for x
x = 37,206,789,878.47/222,026.94 - Step 6: Final answer
x = 167,577.82
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1.5x scale
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.