Finding the Fourth Proportional to 193,487.40, 290,231.10 and 160,309.80
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Solution
The fourth proportional to 193,487.40, 290,231.10 and 160,309.80 is: 240,464.70
Step by Step Solution
- Step 1: Write the proportion equation
193,487.40 : 290,231.10 = 160,309.80 : x - Step 2: Convert to fraction form
193,487.40/290,231.10 = 160,309.80/x - Step 3: Cross multiply
193,487.40x = 290,231.10 × 160,309.80 - Step 4: Simplify right side
193,487.40x = 46,526,889,594.78 - Step 5: Solve for x
x = 46,526,889,594.78/193,487.40 - Step 6: Final answer
x = 240,464.70
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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.