Finding the Fourth Proportional to 317,635.36, 438,337.64 and 174,404.68
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Solution
The fourth proportional to 317,635.36, 438,337.64 and 174,404.68 is: 240,678.92
Step by Step Solution
- Step 1: Write the proportion equation
317,635.36 : 438,337.64 = 174,404.68 : x - Step 2: Convert to fraction form
317,635.36/438,337.64 = 174,404.68/x - Step 3: Cross multiply
317,635.36x = 438,337.64 × 174,404.68 - Step 4: Simplify right side
317,635.36x = 76,448,135,836.16 - Step 5: Solve for x
x = 76,448,135,836.16/317,635.36 - Step 6: Final answer
x = 240,678.92
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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.