Finding the Fourth Proportional to 222,426.23, 306,948.36 and 120,452.49
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Solution
The fourth proportional to 222,426.23, 306,948.36 and 120,452.49 is: 166,224.53
Step by Step Solution
- Step 1: Write the proportion equation
222,426.23 : 306,948.36 = 120,452.49 : x - Step 2: Convert to fraction form
222,426.23/306,948.36 = 120,452.49/x - Step 3: Cross multiply
222,426.23x = 306,948.36 × 120,452.49 - Step 4: Simplify right side
222,426.23x = 36,972,694,263.42 - Step 5: Solve for x
x = 36,972,694,263.42/222,426.23 - Step 6: Final answer
x = 166,224.53
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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.