Finding the Fourth Proportional to 222,070.84, 306,450.12 and 126,608.28
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Solution
The fourth proportional to 222,070.84, 306,450.12 and 126,608.28 is: 174,715.07
Step by Step Solution
- Step 1: Write the proportion equation
222,070.84 : 306,450.12 = 126,608.28 : x - Step 2: Convert to fraction form
222,070.84/306,450.12 = 126,608.28/x - Step 3: Cross multiply
222,070.84x = 306,450.12 × 126,608.28 - Step 4: Simplify right side
222,070.84x = 38,799,122,598.99 - Step 5: Solve for x
x = 38,799,122,598.99/222,070.84 - Step 6: Final answer
x = 174,715.07
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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.