Finding the Fourth Proportional to 330,613.68, 456,296.75 and 201,626.99
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Solution
The fourth proportional to 330,613.68, 456,296.75 and 201,626.99 is: 278,275.66
Step by Step Solution
- Step 1: Write the proportion equation
330,613.68 : 456,296.75 = 201,626.99 : x - Step 2: Convert to fraction form
330,613.68/456,296.75 = 201,626.99/x - Step 3: Cross multiply
330,613.68x = 456,296.75 × 201,626.99 - Step 4: Simplify right side
330,613.68x = 92,001,738,471.87 - Step 5: Solve for x
x = 92,001,738,471.87/330,613.68 - Step 6: Final answer
x = 278,275.66
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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.