Finding the Fourth Proportional to 193,601.22, 267,053.91 and 121,856.70
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Solution
The fourth proportional to 193,601.22, 267,053.91 and 121,856.70 is: 168,089.38
Step by Step Solution
- Step 1: Write the proportion equation
193,601.22 : 267,053.91 = 121,856.70 : x - Step 2: Convert to fraction form
193,601.22/267,053.91 = 121,856.70/x - Step 3: Cross multiply
193,601.22x = 267,053.91 × 121,856.70 - Step 4: Simplify right side
193,601.22x = 32,542,308,194.70 - Step 5: Solve for x
x = 32,542,308,194.70/193,601.22 - Step 6: Final answer
x = 168,089.38
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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.