Finding the Fourth Proportional to 307,739.60, 460,734.60 and 276,246.80
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Solution
The fourth proportional to 307,739.60, 460,734.60 and 276,246.80 is: 413,584.92
Step by Step Solution
- Step 1: Write the proportion equation
307,739.60 : 460,734.60 = 276,246.80 : x - Step 2: Convert to fraction form
307,739.60/460,734.60 = 276,246.80/x - Step 3: Cross multiply
307,739.60x = 460,734.60 × 276,246.80 - Step 4: Simplify right side
307,739.60x = 127,276,458,899.28 - Step 5: Solve for x
x = 127,276,458,899.28/307,739.60 - Step 6: Final answer
x = 413,584.92
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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.