Finding the Fourth Proportional to 363,785.36, 545,753.64 and 153,425.12
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Solution
The fourth proportional to 363,785.36, 545,753.64 and 153,425.12 is: 230,169.56
Step by Step Solution
- Step 1: Write the proportion equation
363,785.36 : 545,753.64 = 153,425.12 : x - Step 2: Convert to fraction form
363,785.36/545,753.64 = 153,425.12/x - Step 3: Cross multiply
363,785.36x = 545,753.64 × 153,425.12 - Step 4: Simplify right side
363,785.36x = 83,732,317,707.44 - Step 5: Solve for x
x = 83,732,317,707.44/363,785.36 - Step 6: Final answer
x = 230,169.56
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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.