Finding the Fourth Proportional to 222,235.91, 306,686.36 and 120,261.36
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Solution
The fourth proportional to 222,235.91, 306,686.36 and 120,261.36 is: 165,961.11
Step by Step Solution
- Step 1: Write the proportion equation
222,235.91 : 306,686.36 = 120,261.36 : x - Step 2: Convert to fraction form
222,235.91/306,686.36 = 120,261.36/x - Step 3: Cross multiply
222,235.91x = 306,686.36 × 120,261.36 - Step 4: Simplify right side
222,235.91x = 36,882,518,747.05 - Step 5: Solve for x
x = 36,882,518,747.05/222,235.91 - Step 6: Final answer
x = 165,961.11
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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.