Finding the Fourth Proportional to 193,290.24, 266,749.52 and 120,736.09
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Solution
The fourth proportional to 193,290.24, 266,749.52 and 120,736.09 is: 166,621.42
Step by Step Solution
- Step 1: Write the proportion equation
193,290.24 : 266,749.52 = 120,736.09 : x - Step 2: Convert to fraction form
193,290.24/266,749.52 = 120,736.09/x - Step 3: Cross multiply
193,290.24x = 266,749.52 × 120,736.09 - Step 4: Simplify right side
193,290.24x = 32,206,294,054.18 - Step 5: Solve for x
x = 32,206,294,054.18/193,290.24 - Step 6: Final answer
x = 166,621.42
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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.