Finding the Fourth Proportional to 222,157.08, 306,577.08 and 121,555.08
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Solution
The fourth proportional to 222,157.08, 306,577.08 and 121,555.08 is: 167,746.18
Step by Step Solution
- Step 1: Write the proportion equation
222,157.08 : 306,577.08 = 121,555.08 : x - Step 2: Convert to fraction form
222,157.08/306,577.08 = 121,555.08/x - Step 3: Cross multiply
222,157.08x = 306,577.08 × 121,555.08 - Step 4: Simplify right side
222,157.08x = 37,266,001,485.57 - Step 5: Solve for x
x = 37,266,001,485.57/222,157.08 - Step 6: Final answer
x = 167,746.18
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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.