Finding the Fourth Proportional to 118,134.48, 177,231.60 and 39,249.12
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Solution
The fourth proportional to 118,134.48, 177,231.60 and 39,249.12 is: 58,883.61
Step by Step Solution
- Step 1: Write the proportion equation
118,134.48 : 177,231.60 = 39,249.12 : x - Step 2: Convert to fraction form
118,134.48/177,231.60 = 39,249.12/x - Step 3: Cross multiply
118,134.48x = 177,231.60 × 39,249.12 - Step 4: Simplify right side
118,134.48x = 6,956,184,336.19 - Step 5: Solve for x
x = 6,956,184,336.19/118,134.48 - Step 6: Final answer
x = 58,883.61
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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.