Finding the Fourth Proportional to 222,000.23, 306,354.09 and 121,396.07
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Solution
The fourth proportional to 222,000.23, 306,354.09 and 121,396.07 is: 167,523.17
Step by Step Solution
- Step 1: Write the proportion equation
222,000.23 : 306,354.09 = 121,396.07 : x - Step 2: Convert to fraction form
222,000.23/306,354.09 = 121,396.07/x - Step 3: Cross multiply
222,000.23x = 306,354.09 × 121,396.07 - Step 4: Simplify right side
222,000.23x = 37,190,182,554.43 - Step 5: Solve for x
x = 37,190,182,554.43/222,000.23 - Step 6: Final answer
x = 167,523.17
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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.