Finding the Fourth Proportional to 193,102.08, 266,481.20 and 108,219.14
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Solution
The fourth proportional to 193,102.08, 266,481.20 and 108,219.14 is: 149,342.60
Step by Step Solution
- Step 1: Write the proportion equation
193,102.08 : 266,481.20 = 108,219.14 : x - Step 2: Convert to fraction form
193,102.08/266,481.20 = 108,219.14/x - Step 3: Cross multiply
193,102.08x = 266,481.20 × 108,219.14 - Step 4: Simplify right side
193,102.08x = 28,838,365,749.07 - Step 5: Solve for x
x = 28,838,365,749.07/193,102.08 - Step 6: Final answer
x = 149,342.60
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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.