Finding the Fourth Proportional to 163,195.44, 244,317.66 and 121,261.40
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Solution
The fourth proportional to 163,195.44, 244,317.66 and 121,261.40 is: 181,538.78
Step by Step Solution
- Step 1: Write the proportion equation
163,195.44 : 244,317.66 = 121,261.40 : x - Step 2: Convert to fraction form
163,195.44/244,317.66 = 121,261.40/x - Step 3: Cross multiply
163,195.44x = 244,317.66 × 121,261.40 - Step 4: Simplify right side
163,195.44x = 29,626,301,496.32 - Step 5: Solve for x
x = 29,626,301,496.32/163,195.44 - Step 6: Final answer
x = 181,538.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.