Finding the Fourth Proportional to 193,078.06, 266,447.80 and 117,626.56
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Solution
The fourth proportional to 193,078.06, 266,447.80 and 117,626.56 is: 162,324.70
Step by Step Solution
- Step 1: Write the proportion equation
193,078.06 : 266,447.80 = 117,626.56 : x - Step 2: Convert to fraction form
193,078.06/266,447.80 = 117,626.56/x - Step 3: Cross multiply
193,078.06x = 266,447.80 × 117,626.56 - Step 4: Simplify right side
193,078.06x = 31,341,338,133.57 - Step 5: Solve for x
x = 31,341,338,133.57/193,078.06 - Step 6: Final answer
x = 162,324.70
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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.