Finding the Fourth Proportional to 664,149.30, 916,536.24 and 362,343.30
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Solution
The fourth proportional to 664,149.30, 916,536.24 and 362,343.30 is: 500,039.32
Step by Step Solution
- Step 1: Write the proportion equation
664,149.30 : 916,536.24 = 362,343.30 : x - Step 2: Convert to fraction form
664,149.30/916,536.24 = 362,343.30/x - Step 3: Cross multiply
664,149.30x = 916,536.24 × 362,343.30 - Step 4: Simplify right side
664,149.30x = 332,100,765,771.19 - Step 5: Solve for x
x = 332,100,765,771.19/664,149.30 - Step 6: Final answer
x = 500,039.32
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1.5x scale
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.