Finding the Fourth Proportional to 193,207.20, 289,810.80 and 88,231.20
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Solution
The fourth proportional to 193,207.20, 289,810.80 and 88,231.20 is: 132,346.80
Step by Step Solution
- Step 1: Write the proportion equation
193,207.20 : 289,810.80 = 88,231.20 : x - Step 2: Convert to fraction form
193,207.20/289,810.80 = 88,231.20/x - Step 3: Cross multiply
193,207.20x = 289,810.80 × 88,231.20 - Step 4: Simplify right side
193,207.20x = 25,570,354,656.96 - Step 5: Solve for x
x = 25,570,354,656.96/193,207.20 - Step 6: Final answer
x = 132,346.80
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1.5x scale
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.