Finding the Fourth Proportional to 307,231.80, 460,847.70 and 254,743.80
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Solution
The fourth proportional to 307,231.80, 460,847.70 and 254,743.80 is: 382,115.70
Step by Step Solution
- Step 1: Write the proportion equation
307,231.80 : 460,847.70 = 254,743.80 : x - Step 2: Convert to fraction form
307,231.80/460,847.70 = 254,743.80/x - Step 3: Cross multiply
307,231.80x = 460,847.70 × 254,743.80 - Step 4: Simplify right side
307,231.80x = 117,398,094,319.26 - Step 5: Solve for x
x = 117,398,094,319.26/307,231.80 - Step 6: Final answer
x = 382,115.70
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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.