Finding the Fourth Proportional to 222,012.18, 306,372.24 and 121,410.18
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Solution
The fourth proportional to 222,012.18, 306,372.24 and 121,410.18 is: 167,543.55
Step by Step Solution
- Step 1: Write the proportion equation
222,012.18 : 306,372.24 = 121,410.18 : x - Step 2: Convert to fraction form
222,012.18/306,372.24 = 121,410.18/x - Step 3: Cross multiply
222,012.18x = 306,372.24 × 121,410.18 - Step 4: Simplify right side
222,012.18x = 37,196,708,805.40 - Step 5: Solve for x
x = 37,196,708,805.40/222,012.18 - Step 6: Final answer
x = 167,543.55
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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.