Finding the Fourth Proportional to 222,142.01, 306,237.11 and 158,369.09
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Solution
The fourth proportional to 222,142.01, 306,237.11 and 158,369.09 is: 218,322.01
Step by Step Solution
- Step 1: Write the proportion equation
222,142.01 : 306,237.11 = 158,369.09 : x - Step 2: Convert to fraction form
222,142.01/306,237.11 = 158,369.09/x - Step 3: Cross multiply
222,142.01x = 306,237.11 × 158,369.09 - Step 4: Simplify right side
222,142.01x = 48,498,490,111.90 - Step 5: Solve for x
x = 48,498,490,111.90/222,142.01 - Step 6: Final answer
x = 218,322.01
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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.